19025890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8609}}^1$

素因数の和:8646

約数の個数: 32

約数和(自身を含む): 39054960

約数和(自身を除く): 20029070

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8609, 17218, 43045, 86090, 111917, 146353, 223834, 292706, 559585, 731765, 1119170, 1463530, 1902589, 3805178, 9512945, 19025890]

約数ペア:

[(1, 19025890), (2, 9512945), (5, 3805178), (10, 1902589), (13, 1463530), (17, 1119170), (26, 731765), (34, 559585), (65, 292706), (85, 223834), (130, 146353), (170, 111917), (221, 86090), (442, 43045), (1105, 17218), (2210, 8609)]