19040580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 63598080

約数和(自身を除く): 44557500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 79, 90, 103, 117, 130, 156, 158, 180, 195, 206, 234, 237, 260, 309, 316, 390, 395, 412, 468, 474, 515, 585, 618, 711, 780, 790, 927, 948, 1027, 1030, 1170, 1185, 1236, 1339, 1422, 1545, 1580, 1854, 2054, 2060, 2340, 2370, 2678, 2844, 3081, 3090, 3555, 3708, 4017, 4108, 4635, 4740, 5135, 5356, 6162, 6180, 6695, 7110, 8034, 8137, 9243, 9270, 10270, 12051, 12324, 13390, 14220, 15405, 16068, 16274, 18486, 18540, 20085, 20540, 24102, 24411, 26780, 30810, 32548, 36972, 40170, 40685, 46215, 48204, 48822, 60255, 61620, 73233, 80340, 81370, 92430, 97644, 105781, 120510, 122055, 146466, 162740, 184860, 211562, 241020, 244110, 292932, 317343, 366165, 423124, 488220, 528905, 634686, 732330, 952029, 1057810, 1269372, 1464660, 1586715, 1904058, 2115620, 3173430, 3808116, 4760145, 6346860, 9520290, 19040580]

約数ペア:

[(1, 19040580), (2, 9520290), (3, 6346860), (4, 4760145), (5, 3808116), (6, 3173430), (9, 2115620), (10, 1904058), (12, 1586715), (13, 1464660), (15, 1269372), (18, 1057810), (20, 952029), (26, 732330), (30, 634686), (36, 528905), (39, 488220), (45, 423124), (52, 366165), (60, 317343), (65, 292932), (78, 244110), (79, 241020), (90, 211562), (103, 184860), (117, 162740), (130, 146466), (156, 122055), (158, 120510), (180, 105781), (195, 97644), (206, 92430), (234, 81370), (237, 80340), (260, 73233), (309, 61620), (316, 60255), (390, 48822), (395, 48204), (412, 46215), (468, 40685), (474, 40170), (515, 36972), (585, 32548), (618, 30810), (711, 26780), (780, 24411), (790, 24102), (927, 20540), (948, 20085), (1027, 18540), (1030, 18486), (1170, 16274), (1185, 16068), (1236, 15405), (1339, 14220), (1422, 13390), (1545, 12324), (1580, 12051), (1854, 10270), (2054, 9270), (2060, 9243), (2340, 8137), (2370, 8034), (2678, 7110), (2844, 6695), (3081, 6180), (3090, 6162), (3555, 5356), (3708, 5135), (4017, 4740), (4108, 4635)]