18223504360

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3325457}}^1$

素因数の和:3325605

約数の個数: 32

約数和(自身を含む): 41302188360

約数和(自身を除く): 23078684000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 3325457, 6650914, 13301828, 16627285, 26603656, 33254570, 66509140, 133018280, 455587609, 911175218, 1822350436, 2277938045, 3644700872, 4555876090, 9111752180, 18223504360]

約数ペア:

[(1, 18223504360), (2, 9111752180), (4, 4555876090), (5, 3644700872), (8, 2277938045), (10, 1822350436), (20, 911175218), (40, 455587609), (137, 133018280), (274, 66509140), (548, 33254570), (685, 26603656), (1096, 16627285), (1370, 13301828), (2740, 6650914), (5480, 3325457)]