18402993

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17183}}^1$

素因数の和:17213

約数の個数: 24

約数和(自身を含む): 32168448

約数和(自身を除く): 13765455

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 17183, 51549, 120281, 154647, 292111, 360843, 876333, 1082529, 2044777, 2628999, 6134331, 18402993]

約数ペア:

[(1, 18402993), (3, 6134331), (7, 2628999), (9, 2044777), (17, 1082529), (21, 876333), (51, 360843), (63, 292111), (119, 154647), (153, 120281), (357, 51549), (1071, 17183)]