18873075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1489}}^1$

素因数の和:1528

約数の個数: 36

約数和(自身を含む): 33811080

約数和(自身を除く): 14938005

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 169, 195, 325, 507, 845, 975, 1489, 2535, 4225, 4467, 7445, 12675, 19357, 22335, 37225, 58071, 96785, 111675, 251641, 290355, 483925, 754923, 1258205, 1451775, 3774615, 6291025, 18873075]

約数ペア:

[(1, 18873075), (3, 6291025), (5, 3774615), (13, 1451775), (15, 1258205), (25, 754923), (39, 483925), (65, 290355), (75, 251641), (169, 111675), (195, 96785), (325, 58071), (507, 37225), (845, 22335), (975, 19357), (1489, 12675), (2535, 7445), (4225, 4467)]