18960225

素因数分解:

$3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{2503}}^1$

素因数の和:2617

約数の個数: 24

約数和(自身を含む): 31670592

約数和(自身を除く): 12710367

約数列:

[1, 3, 5, 15, 25, 75, 101, 303, 505, 1515, 2503, 2525, 7509, 7575, 12515, 37545, 62575, 187725, 252803, 758409, 1264015, 3792045, 6320075, 18960225]

約数ペア:

[(1, 18960225), (3, 6320075), (5, 3792045), (15, 1264015), (25, 758409), (75, 252803), (101, 187725), (303, 62575), (505, 37545), (1515, 12515), (2503, 7575), (2525, 7509)]