17259980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{857}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 38918880

約数和(自身を除く): 21658900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 857, 1007, 1060, 1714, 2014, 3428, 4028, 4285, 5035, 8570, 10070, 16283, 17140, 20140, 32566, 45421, 65132, 81415, 90842, 162830, 181684, 227105, 325660, 454210, 862999, 908420, 1725998, 3451996, 4314995, 8629990, 17259980]

約数ペア:

[(1, 17259980), (2, 8629990), (4, 4314995), (5, 3451996), (10, 1725998), (19, 908420), (20, 862999), (38, 454210), (53, 325660), (76, 227105), (95, 181684), (106, 162830), (190, 90842), (212, 81415), (265, 65132), (380, 45421), (530, 32566), (857, 20140), (1007, 17140), (1060, 16283), (1714, 10070), (2014, 8570), (3428, 5035), (4028, 4285)]