18380102

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 30844800

約数和(自身を除く): 12464698

約数列:

[1, 2, 13, 26, 47, 89, 94, 169, 178, 338, 611, 1157, 1222, 2197, 2314, 4183, 4394, 7943, 8366, 15041, 15886, 30082, 54379, 103259, 108758, 195533, 206518, 391066, 706927, 1413854, 9190051, 18380102]

約数ペア:

[(1, 18380102), (2, 9190051), (13, 1413854), (26, 706927), (47, 391066), (89, 206518), (94, 195533), (169, 108758), (178, 103259), (338, 54379), (611, 30082), (1157, 15886), (1222, 15041), (2197, 8366), (2314, 7943), (4183, 4394)]