18656040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11959}}^1$

素因数の和:11986

約数の個数: 64

約数和(自身を含む): 60278400

約数和(自身を除く): 41622360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 11959, 23918, 35877, 47836, 59795, 71754, 95672, 119590, 143508, 155467, 179385, 239180, 287016, 310934, 358770, 466401, 478360, 621868, 717540, 777335, 932802, 1243736, 1435080, 1554670, 1865604, 2332005, 3109340, 3731208, 4664010, 6218680, 9328020, 18656040]

約数ペア:

[(1, 18656040), (2, 9328020), (3, 6218680), (4, 4664010), (5, 3731208), (6, 3109340), (8, 2332005), (10, 1865604), (12, 1554670), (13, 1435080), (15, 1243736), (20, 932802), (24, 777335), (26, 717540), (30, 621868), (39, 478360), (40, 466401), (52, 358770), (60, 310934), (65, 287016), (78, 239180), (104, 179385), (120, 155467), (130, 143508), (156, 119590), (195, 95672), (260, 71754), (312, 59795), (390, 47836), (520, 35877), (780, 23918), (1560, 11959)]