18740854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13192586

約数列:

[1, 2, 11, 22, 41, 79, 82, 158, 263, 451, 526, 869, 902, 1738, 2893, 3239, 5786, 6478, 10783, 20777, 21566, 35629, 41554, 71258, 118613, 228547, 237226, 457094, 851857, 1703714, 9370427, 18740854]

約数ペア:

[(1, 18740854), (2, 9370427), (11, 1703714), (22, 851857), (41, 457094), (79, 237226), (82, 228547), (158, 118613), (263, 71258), (451, 41554), (526, 35629), (869, 21566), (902, 20777), (1738, 10783), (2893, 6478), (3239, 5786)]