19553760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:425

約数の個数: 144

約数和(自身を含む): 68717376

約数和(自身を除く): 49163616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 222, 240, 288, 296, 333, 360, 367, 370, 444, 480, 555, 592, 666, 720, 734, 740, 888, 1101, 1110, 1184, 1332, 1440, 1468, 1480, 1665, 1776, 1835, 2202, 2220, 2664, 2936, 2960, 3303, 3330, 3552, 3670, 4404, 4440, 5328, 5505, 5872, 5920, 6606, 6660, 7340, 8808, 8880, 10656, 11010, 11744, 13212, 13320, 13579, 14680, 16515, 17616, 17760, 22020, 26424, 26640, 27158, 29360, 33030, 35232, 40737, 44040, 52848, 53280, 54316, 58720, 66060, 67895, 81474, 88080, 105696, 108632, 122211, 132120, 135790, 162948, 176160, 203685, 217264, 244422, 264240, 271580, 325896, 407370, 434528, 488844, 528480, 543160, 611055, 651792, 814740, 977688, 1086320, 1222110, 1303584, 1629480, 1955376, 2172640, 2444220, 3258960, 3910752, 4888440, 6517920, 9776880, 19553760]

約数ペア:

[(1, 19553760), (2, 9776880), (3, 6517920), (4, 4888440), (5, 3910752), (6, 3258960), (8, 2444220), (9, 2172640), (10, 1955376), (12, 1629480), (15, 1303584), (16, 1222110), (18, 1086320), (20, 977688), (24, 814740), (30, 651792), (32, 611055), (36, 543160), (37, 528480), (40, 488844), (45, 434528), (48, 407370), (60, 325896), (72, 271580), (74, 264240), (80, 244422), (90, 217264), (96, 203685), (111, 176160), (120, 162948), (144, 135790), (148, 132120), (160, 122211), (180, 108632), (185, 105696), (222, 88080), (240, 81474), (288, 67895), (296, 66060), (333, 58720), (360, 54316), (367, 53280), (370, 52848), (444, 44040), (480, 40737), (555, 35232), (592, 33030), (666, 29360), (720, 27158), (734, 26640), (740, 26424), (888, 22020), (1101, 17760), (1110, 17616), (1184, 16515), (1332, 14680), (1440, 13579), (1468, 13320), (1480, 13212), (1665, 11744), (1776, 11010), (1835, 10656), (2202, 8880), (2220, 8808), (2664, 7340), (2936, 6660), (2960, 6606), (3303, 5920), (3330, 5872), (3552, 5505), (3670, 5328), (4404, 4440)]