18681175

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:699

約数の個数: 24

約数和(自身を含む): 24668064

約数和(自身を除く): 5986889

約数列:

[1, 5, 23, 25, 53, 115, 265, 575, 613, 1219, 1325, 3065, 6095, 14099, 15325, 30475, 32489, 70495, 162445, 352475, 747247, 812225, 3736235, 18681175]

約数ペア:

[(1, 18681175), (5, 3736235), (23, 812225), (25, 747247), (53, 352475), (115, 162445), (265, 70495), (575, 32489), (613, 30475), (1219, 15325), (1325, 14099), (3065, 6095)]