17997850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{27689}}^1$

素因数の和:27714

約数の個数: 24

約数和(自身を含む): 36052380

約数和(自身を除く): 18054530

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 27689, 55378, 138445, 276890, 359957, 692225, 719914, 1384450, 1799785, 3599570, 8998925, 17997850]

約数ペア:

[(1, 17997850), (2, 8998925), (5, 3599570), (10, 1799785), (13, 1384450), (25, 719914), (26, 692225), (50, 359957), (65, 276890), (130, 138445), (325, 55378), (650, 27689)]