18907750

素因数分解:

$2^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{1427}}^1$

素因数の和:1497

約数の個数: 32

約数和(自身を含む): 36088416

約数和(自身を除く): 17180666

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 530, 1325, 1427, 2650, 2854, 6625, 7135, 13250, 14270, 35675, 71350, 75631, 151262, 178375, 356750, 378155, 756310, 1890775, 3781550, 9453875, 18907750]

約数ペア:

[(1, 18907750), (2, 9453875), (5, 3781550), (10, 1890775), (25, 756310), (50, 378155), (53, 356750), (106, 178375), (125, 151262), (250, 75631), (265, 71350), (530, 35675), (1325, 14270), (1427, 13250), (2650, 7135), (2854, 6625)]