18255640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35107}}^1$

素因数の和:35131

約数の個数: 32

約数和(自身を含む): 44236080

約数和(自身を除く): 25980440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35107, 70214, 140428, 175535, 280856, 351070, 456391, 702140, 912782, 1404280, 1825564, 2281955, 3651128, 4563910, 9127820, 18255640]

約数ペア:

[(1, 18255640), (2, 9127820), (4, 4563910), (5, 3651128), (8, 2281955), (10, 1825564), (13, 1404280), (20, 912782), (26, 702140), (40, 456391), (52, 351070), (65, 280856), (104, 175535), (130, 140428), (260, 70214), (520, 35107)]