18750640

素因数分解:

$2^4\times 5^1\times {\mathrm{234383}}^1$

素因数の和:234396

約数の個数: 20

約数和(自身を含む): 43595424

約数和(自身を除く): 24844784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 234383, 468766, 937532, 1171915, 1875064, 2343830, 3750128, 4687660, 9375320, 18750640]

約数ペア:

[(1, 18750640), (2, 9375320), (4, 4687660), (5, 3750128), (8, 2343830), (10, 1875064), (16, 1171915), (20, 937532), (40, 468766), (80, 234383)]