18908136

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20201}}^1$

素因数の和:20226

約数の個数: 48

約数和(自身を含む): 55151460

約数和(自身を除く): 36243324

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20201, 40402, 60603, 80804, 121206, 161608, 181809, 242412, 262613, 363618, 484824, 525226, 727236, 787839, 1050452, 1454472, 1575678, 2100904, 2363517, 3151356, 4727034, 6302712, 9454068, 18908136]

約数ペア:

[(1, 18908136), (2, 9454068), (3, 6302712), (4, 4727034), (6, 3151356), (8, 2363517), (9, 2100904), (12, 1575678), (13, 1454472), (18, 1050452), (24, 787839), (26, 727236), (36, 525226), (39, 484824), (52, 363618), (72, 262613), (78, 242412), (104, 181809), (117, 161608), (156, 121206), (234, 80804), (312, 60603), (468, 40402), (936, 20201)]