18789270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2437}}^1$

素因数の和:2704

約数の個数: 32

約数和(自身を含む): 45288288

約数和(自身を除く): 26499018

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 257, 514, 771, 1285, 1542, 2437, 2570, 3855, 4874, 7311, 7710, 12185, 14622, 24370, 36555, 73110, 626309, 1252618, 1878927, 3131545, 3757854, 6263090, 9394635, 18789270]

約数ペア:

[(1, 18789270), (2, 9394635), (3, 6263090), (5, 3757854), (6, 3131545), (10, 1878927), (15, 1252618), (30, 626309), (257, 73110), (514, 36555), (771, 24370), (1285, 14622), (1542, 12185), (2437, 7710), (2570, 7311), (3855, 4874)]