19197525

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 34283520

約数和(自身を除く): 15085995

約数列:

[1, 3, 5, 15, 23, 25, 31, 69, 75, 93, 115, 155, 345, 359, 465, 575, 713, 775, 1077, 1725, 1795, 2139, 2325, 3565, 5385, 8257, 8975, 10695, 11129, 17825, 24771, 26925, 33387, 41285, 53475, 55645, 123855, 166935, 206425, 255967, 278225, 619275, 767901, 834675, 1279835, 3839505, 6399175, 19197525]

約数ペア:

[(1, 19197525), (3, 6399175), (5, 3839505), (15, 1279835), (23, 834675), (25, 767901), (31, 619275), (69, 278225), (75, 255967), (93, 206425), (115, 166935), (155, 123855), (345, 55645), (359, 53475), (465, 41285), (575, 33387), (713, 26925), (775, 24771), (1077, 17825), (1725, 11129), (1795, 10695), (2139, 8975), (2325, 8257), (3565, 5385)]