19748320

素因数分解:

$2^5\times 5^1\times {\mathrm{123427}}^1$

素因数の和:123442

約数の個数: 24

約数和(自身を含む): 46655784

約数和(自身を除く): 26907464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 123427, 246854, 493708, 617135, 987416, 1234270, 1974832, 2468540, 3949664, 4937080, 9874160, 19748320]

約数ペア:

[(1, 19748320), (2, 9874160), (4, 4937080), (5, 3949664), (8, 2468540), (10, 1974832), (16, 1234270), (20, 987416), (32, 617135), (40, 493708), (80, 246854), (160, 123427)]