19601075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1471}}^1$

素因数の和:1535

約数の個数: 24

約数和(自身を含む): 26831616

約数和(自身を除く): 7230541

約数列:

[1, 5, 13, 25, 41, 65, 205, 325, 533, 1025, 1471, 2665, 7355, 13325, 19123, 36775, 60311, 95615, 301555, 478075, 784043, 1507775, 3920215, 19601075]

約数ペア:

[(1, 19601075), (5, 3920215), (13, 1507775), (25, 784043), (41, 478075), (65, 301555), (205, 95615), (325, 60311), (533, 36775), (1025, 19123), (1471, 13325), (2665, 7355)]