18310875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 34864128

約数和(自身を除く): 16553253

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 115, 125, 165, 193, 253, 275, 345, 375, 575, 579, 759, 825, 965, 1265, 1375, 1725, 2123, 2875, 2895, 3795, 4125, 4439, 4825, 6325, 6369, 8625, 10615, 13317, 14475, 18975, 22195, 24125, 31625, 31845, 48829, 53075, 66585, 72375, 94875, 110975, 146487, 159225, 244145, 265375, 332925, 554875, 732435, 796125, 1220725, 1664625, 3662175, 6103625, 18310875]

約数ペア:

[(1, 18310875), (3, 6103625), (5, 3662175), (11, 1664625), (15, 1220725), (23, 796125), (25, 732435), (33, 554875), (55, 332925), (69, 265375), (75, 244145), (115, 159225), (125, 146487), (165, 110975), (193, 94875), (253, 72375), (275, 66585), (345, 53075), (375, 48829), (575, 31845), (579, 31625), (759, 24125), (825, 22195), (965, 18975), (1265, 14475), (1375, 13317), (1725, 10615), (2123, 8625), (2875, 6369), (2895, 6325), (3795, 4825), (4125, 4439)]