18255140

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1489}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 38424120

約数和(自身を除く): 20168980

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 1489, 2452, 2978, 3065, 5956, 6130, 7445, 12260, 14890, 29780, 912757, 1825514, 3651028, 4563785, 9127570, 18255140]

約数ペア:

[(1, 18255140), (2, 9127570), (4, 4563785), (5, 3651028), (10, 1825514), (20, 912757), (613, 29780), (1226, 14890), (1489, 12260), (2452, 7445), (2978, 6130), (3065, 5956)]