17918680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2027}}^1$

素因数の和:2068

約数の個数: 64

約数和(自身を含む): 45995040

約数和(自身を除く): 28076360

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, 2027, 2210, 4054, 4420, 8108, 8840, 10135, 16216, 20270, 26351, 34459, 40540, 52702, 68918, 81080, 105404, 131755, 137836, 172295, 210808, 263510, 275672, 344590, 447967, 527020, 689180, 895934, 1054040, 1378360, 1791868, 2239835, 3583736, 4479670, 8959340, 17918680]

約数ペア:

[(1, 17918680), (2, 8959340), (4, 4479670), (5, 3583736), (8, 2239835), (10, 1791868), (13, 1378360), (17, 1054040), (20, 895934), (26, 689180), (34, 527020), (40, 447967), (52, 344590), (65, 275672), (68, 263510), (85, 210808), (104, 172295), (130, 137836), (136, 131755), (170, 105404), (221, 81080), (260, 68918), (340, 52702), (442, 40540), (520, 34459), (680, 26351), (884, 20270), (1105, 16216), (1768, 10135), (2027, 8840), (2210, 8108), (4054, 4420)]