19456425

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2011}}^1$

素因数の和:2070

約数の個数: 36

約数和(自身を含む): 35676784

約数和(自身を除く): 16220359

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 2011, 3225, 6033, 9675, 10055, 18099, 30165, 50275, 86473, 90495, 150825, 259419, 432365, 452475, 778257, 1297095, 2161825, 3891285, 6485475, 19456425]

約数ペア:

[(1, 19456425), (3, 6485475), (5, 3891285), (9, 2161825), (15, 1297095), (25, 778257), (43, 452475), (45, 432365), (75, 259419), (129, 150825), (215, 90495), (225, 86473), (387, 50275), (645, 30165), (1075, 18099), (1935, 10055), (2011, 9675), (3225, 6033)]