19424540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57131}}^1$

素因数の和:57157

約数の個数: 24

約数和(自身を含む): 43191792

約数和(自身を除く): 23767252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57131, 114262, 228524, 285655, 571310, 971227, 1142620, 1942454, 3884908, 4856135, 9712270, 19424540]

約数ペア:

[(1, 19424540), (2, 9712270), (4, 4856135), (5, 3884908), (10, 1942454), (17, 1142620), (20, 971227), (34, 571310), (68, 285655), (85, 228524), (170, 114262), (340, 57131)]