18745340

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2473}}^1$

素因数の和:2861

約数の個数: 24

約数和(自身を含む): 39485040

約数和(自身を除く): 20739700

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 2473, 3790, 4946, 7580, 9892, 12365, 24730, 49460, 937267, 1874534, 3749068, 4686335, 9372670, 18745340]

約数ペア:

[(1, 18745340), (2, 9372670), (4, 4686335), (5, 3749068), (10, 1874534), (20, 937267), (379, 49460), (758, 24730), (1516, 12365), (1895, 9892), (2473, 7580), (3790, 4946)]