19552975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3539}}^1$

素因数の和:3579

約数の個数: 24

約数和(自身を含む): 27654480

約数和(自身を除く): 8101505

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 3539, 5525, 17695, 46007, 60163, 88475, 230035, 300815, 782119, 1150175, 1504075, 3910595, 19552975]

約数ペア:

[(1, 19552975), (5, 3910595), (13, 1504075), (17, 1150175), (25, 782119), (65, 300815), (85, 230035), (221, 88475), (325, 60163), (425, 46007), (1105, 17695), (3539, 5525)]