19875295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{733}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 28537920

約数和(自身を除く): 8662625

約数列:

[1, 5, 11, 17, 29, 55, 85, 145, 187, 319, 493, 733, 935, 1595, 2465, 3665, 5423, 8063, 12461, 21257, 27115, 40315, 62305, 106285, 137071, 233827, 361369, 685355, 1169135, 1806845, 3975059, 19875295]

約数ペア:

[(1, 19875295), (5, 3975059), (11, 1806845), (17, 1169135), (29, 685355), (55, 361369), (85, 233827), (145, 137071), (187, 106285), (319, 62305), (493, 40315), (733, 27115), (935, 21257), (1595, 12461), (2465, 8063), (3665, 5423)]