18895656

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:946

約数の個数: 64

約数和(自身を含む): 51649920

約数和(自身を除く): 32754264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 71, 78, 104, 142, 156, 213, 284, 312, 426, 568, 852, 853, 923, 1704, 1706, 1846, 2559, 2769, 3412, 3692, 5118, 5538, 6824, 7384, 10236, 11076, 11089, 20472, 22152, 22178, 33267, 44356, 60563, 66534, 88712, 121126, 133068, 181689, 242252, 266136, 363378, 484504, 726756, 787319, 1453512, 1574638, 2361957, 3149276, 4723914, 6298552, 9447828, 18895656]

約数ペア:

[(1, 18895656), (2, 9447828), (3, 6298552), (4, 4723914), (6, 3149276), (8, 2361957), (12, 1574638), (13, 1453512), (24, 787319), (26, 726756), (39, 484504), (52, 363378), (71, 266136), (78, 242252), (104, 181689), (142, 133068), (156, 121126), (213, 88712), (284, 66534), (312, 60563), (426, 44356), (568, 33267), (852, 22178), (853, 22152), (923, 20472), (1704, 11089), (1706, 11076), (1846, 10236), (2559, 7384), (2769, 6824), (3412, 5538), (3692, 5118)]