19166225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3469}}^1$

素因数の和:3509

約数の個数: 24

約数和(自身を含む): 27107640

約数和(自身を除く): 7941415

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 3469, 5525, 17345, 45097, 58973, 86725, 225485, 294865, 766649, 1127425, 1474325, 3833245, 19166225]

約数ペア:

[(1, 19166225), (5, 3833245), (13, 1474325), (17, 1127425), (25, 766649), (65, 294865), (85, 225485), (221, 86725), (325, 58973), (425, 45097), (1105, 17345), (3469, 5525)]