18755925

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 32997888

約数和(自身を除く): 14241963

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 83, 115, 131, 249, 345, 393, 415, 575, 655, 1245, 1725, 1909, 1965, 2075, 3013, 3275, 5727, 6225, 9039, 9545, 9825, 10873, 15065, 28635, 32619, 45195, 47725, 54365, 75325, 143175, 163095, 225975, 250079, 271825, 750237, 815475, 1250395, 3751185, 6251975, 18755925]

約数ペア:

[(1, 18755925), (3, 6251975), (5, 3751185), (15, 1250395), (23, 815475), (25, 750237), (69, 271825), (75, 250079), (83, 225975), (115, 163095), (131, 143175), (249, 75325), (345, 54365), (393, 47725), (415, 45195), (575, 32619), (655, 28635), (1245, 15065), (1725, 10873), (1909, 9825), (1965, 9545), (2075, 9039), (3013, 6225), (3275, 5727)]