18652420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19843}}^1$

素因数の和:19899

約数の個数: 24

約数和(自身を含む): 40005504

約数和(自身を除く): 21353084

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 19843, 39686, 79372, 99215, 198430, 396860, 932621, 1865242, 3730484, 4663105, 9326210, 18652420]

約数ペア:

[(1, 18652420), (2, 9326210), (4, 4663105), (5, 3730484), (10, 1865242), (20, 932621), (47, 396860), (94, 198430), (188, 99215), (235, 79372), (470, 39686), (940, 19843)]