18643075

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{6163}}^1$

素因数の和:6195

約数の個数: 18

約数和(自身を含む): 25414172

約数和(自身を除く): 6771097

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 6163, 30815, 67793, 154075, 338965, 745723, 1694825, 3728615, 18643075]

約数ペア:

[(1, 18643075), (5, 3728615), (11, 1694825), (25, 745723), (55, 338965), (121, 154075), (275, 67793), (605, 30815), (3025, 6163)]