18773740

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2999}}^1$

素因数の和:3321

約数の個数: 24

約数和(自身を含む): 39564000

約数和(自身を除く): 20790260

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 2999, 3130, 5998, 6260, 11996, 14995, 29990, 59980, 938687, 1877374, 3754748, 4693435, 9386870, 18773740]

約数ペア:

[(1, 18773740), (2, 9386870), (4, 4693435), (5, 3754748), (10, 1877374), (20, 938687), (313, 59980), (626, 29990), (1252, 14995), (1565, 11996), (2999, 6260), (3130, 5998)]