18870850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{149}}^2$

素因数の和:327

約数の個数: 36

約数和(自身を含む): 37415574

約数和(自身を除く): 18544724

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 149, 170, 298, 425, 745, 850, 1490, 2533, 3725, 5066, 7450, 12665, 22201, 25330, 44402, 63325, 111005, 126650, 222010, 377417, 555025, 754834, 1110050, 1887085, 3774170, 9435425, 18870850]

約数ペア:

[(1, 18870850), (2, 9435425), (5, 3774170), (10, 1887085), (17, 1110050), (25, 754834), (34, 555025), (50, 377417), (85, 222010), (149, 126650), (170, 111005), (298, 63325), (425, 44402), (745, 25330), (850, 22201), (1490, 12665), (2533, 7450), (3725, 5066)]