18466760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2089}}^1$

素因数の和:2130

約数の個数: 64

約数和(自身を含む): 47401200

約数和(自身を除く): 28934440

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2089, 2210, 4178, 4420, 8356, 8840, 10445, 16712, 20890, 27157, 35513, 41780, 54314, 71026, 83560, 108628, 135785, 142052, 177565, 217256, 271570, 284104, 355130, 461669, 543140, 710260, 923338, 1086280, 1420520, 1846676, 2308345, 3693352, 4616690, 9233380, 18466760]

約数ペア:

[(1, 18466760), (2, 9233380), (4, 4616690), (5, 3693352), (8, 2308345), (10, 1846676), (13, 1420520), (17, 1086280), (20, 923338), (26, 710260), (34, 543140), (40, 461669), (52, 355130), (65, 284104), (68, 271570), (85, 217256), (104, 177565), (130, 142052), (136, 135785), (170, 108628), (221, 83560), (260, 71026), (340, 54314), (442, 41780), (520, 35513), (680, 27157), (884, 20890), (1105, 16712), (1768, 10445), (2089, 8840), (2210, 8356), (4178, 4420)]