19103925

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{2473}}^1$

素因数の和:2589

約数の個数: 24

約数和(自身を含む): 31904704

約数和(自身を除く): 12800779

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 515, 1545, 2473, 2575, 7419, 7725, 12365, 37095, 61825, 185475, 254719, 764157, 1273595, 3820785, 6367975, 19103925]

約数ペア:

[(1, 19103925), (3, 6367975), (5, 3820785), (15, 1273595), (25, 764157), (75, 254719), (103, 185475), (309, 61825), (515, 37095), (1545, 12365), (2473, 7725), (2575, 7419)]