18635760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:224

約数の個数: 240

約数和(自身を含む): 73932768

約数和(自身を除く): 55297008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 65, 66, 72, 78, 80, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 144, 156, 165, 176, 180, 181, 195, 198, 208, 220, 234, 240, 260, 264, 286, 312, 330, 360, 362, 390, 396, 429, 440, 468, 495, 520, 528, 543, 572, 585, 624, 660, 715, 720, 724, 780, 792, 858, 880, 905, 936, 990, 1040, 1086, 1144, 1170, 1287, 1320, 1430, 1448, 1560, 1584, 1629, 1716, 1810, 1872, 1980, 1991, 2145, 2172, 2288, 2340, 2353, 2574, 2640, 2715, 2860, 2896, 3120, 3258, 3432, 3620, 3960, 3982, 4290, 4344, 4680, 4706, 5148, 5430, 5720, 5973, 6435, 6516, 6864, 7059, 7240, 7920, 7964, 8145, 8580, 8688, 9360, 9412, 9955, 10296, 10860, 11440, 11765, 11946, 12870, 13032, 14118, 14480, 15928, 16290, 17160, 17919, 18824, 19910, 20592, 21177, 21720, 23530, 23892, 25740, 25883, 26064, 28236, 29865, 31856, 32580, 34320, 35295, 35838, 37648, 39820, 42354, 43440, 47060, 47784, 51480, 51766, 56472, 59730, 65160, 70590, 71676, 77649, 79640, 84708, 89595, 94120, 95568, 102960, 103532, 105885, 112944, 119460, 129415, 130320, 141180, 143352, 155298, 159280, 169416, 179190, 188240, 207064, 211770, 232947, 238920, 258830, 282360, 286704, 310596, 338832, 358380, 388245, 414128, 423540, 465894, 477840, 517660, 564720, 621192, 716760, 776490, 847080, 931788, 1035320, 1164735, 1242384, 1433520, 1552980, 1694160, 1863576, 2070640, 2329470, 3105960, 3727152, 4658940, 6211920, 9317880, 18635760]

約数ペア:

[(1, 18635760), (2, 9317880), (3, 6211920), (4, 4658940), (5, 3727152), (6, 3105960), (8, 2329470), (9, 2070640), (10, 1863576), (11, 1694160), (12, 1552980), (13, 1433520), (15, 1242384), (16, 1164735), (18, 1035320), (20, 931788), (22, 847080), (24, 776490), (26, 716760), (30, 621192), (33, 564720), (36, 517660), (39, 477840), (40, 465894), (44, 423540), (45, 414128), (48, 388245), (52, 358380), (55, 338832), (60, 310596), (65, 286704), (66, 282360), (72, 258830), (78, 238920), (80, 232947), (88, 211770), (90, 207064), (99, 188240), (104, 179190), (110, 169416), (117, 159280), (120, 155298), (130, 143352), (132, 141180), (143, 130320), (144, 129415), (156, 119460), (165, 112944), (176, 105885), (180, 103532), (181, 102960), (195, 95568), (198, 94120), (208, 89595), (220, 84708), (234, 79640), (240, 77649), (260, 71676), (264, 70590), (286, 65160), (312, 59730), (330, 56472), (360, 51766), (362, 51480), (390, 47784), (396, 47060), (429, 43440), (440, 42354), (468, 39820), (495, 37648), (520, 35838), (528, 35295), (543, 34320), (572, 32580), (585, 31856), (624, 29865), (660, 28236), (715, 26064), (720, 25883), (724, 25740), (780, 23892), (792, 23530), (858, 21720), (880, 21177), (905, 20592), (936, 19910), (990, 18824), (1040, 17919), (1086, 17160), (1144, 16290), (1170, 15928), (1287, 14480), (1320, 14118), (1430, 13032), (1448, 12870), (1560, 11946), (1584, 11765), (1629, 11440), (1716, 10860), (1810, 10296), (1872, 9955), (1980, 9412), (1991, 9360), (2145, 8688), (2172, 8580), (2288, 8145), (2340, 7964), (2353, 7920), (2574, 7240), (2640, 7059), (2715, 6864), (2860, 6516), (2896, 6435), (3120, 5973), (3258, 5720), (3432, 5430), (3620, 5148), (3960, 4706), (3982, 4680), (4290, 4344)]