19245740

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1847}}^1$

素因数の和:2377

約数の個数: 24

約数和(自身を含む): 40515552

約数和(自身を除く): 21269812

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 1847, 2084, 2605, 3694, 5210, 7388, 9235, 10420, 18470, 36940, 962287, 1924574, 3849148, 4811435, 9622870, 19245740]

約数ペア:

[(1, 19245740), (2, 9622870), (4, 4811435), (5, 3849148), (10, 1924574), (20, 962287), (521, 36940), (1042, 18470), (1847, 10420), (2084, 9235), (2605, 7388), (3694, 5210)]