18864630

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:766

約数の個数: 64

約数和(自身を含む): 50846400

約数和(自身を除く): 31981770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 109, 135, 218, 270, 327, 545, 641, 654, 981, 1090, 1282, 1635, 1923, 1962, 2943, 3205, 3270, 3846, 4905, 5769, 5886, 6410, 9615, 9810, 11538, 14715, 17307, 19230, 28845, 29430, 34614, 57690, 69869, 86535, 139738, 173070, 209607, 349345, 419214, 628821, 698690, 1048035, 1257642, 1886463, 2096070, 3144105, 3772926, 6288210, 9432315, 18864630]

約数ペア:

[(1, 18864630), (2, 9432315), (3, 6288210), (5, 3772926), (6, 3144105), (9, 2096070), (10, 1886463), (15, 1257642), (18, 1048035), (27, 698690), (30, 628821), (45, 419214), (54, 349345), (90, 209607), (109, 173070), (135, 139738), (218, 86535), (270, 69869), (327, 57690), (545, 34614), (641, 29430), (654, 28845), (981, 19230), (1090, 17307), (1282, 14715), (1635, 11538), (1923, 9810), (1962, 9615), (2943, 6410), (3205, 5886), (3270, 5769), (3846, 4905)]