18542960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7477}}^1$

素因数の和:7521

約数の個数: 40

約数和(自身を含む): 44509056

約数和(自身を除く): 25966096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7477, 14954, 29908, 37385, 59816, 74770, 119632, 149540, 231787, 299080, 463574, 598160, 927148, 1158935, 1854296, 2317870, 3708592, 4635740, 9271480, 18542960]

約数ペア:

[(1, 18542960), (2, 9271480), (4, 4635740), (5, 3708592), (8, 2317870), (10, 1854296), (16, 1158935), (20, 927148), (31, 598160), (40, 463574), (62, 299080), (80, 231787), (124, 149540), (155, 119632), (248, 74770), (310, 59816), (496, 37385), (620, 29908), (1240, 14954), (2480, 7477)]