18235105

素因数分解:

$5^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{283}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 25641792

約数和(自身を除く): 7406687

約数列:

[1, 5, 7, 35, 49, 245, 263, 283, 1315, 1415, 1841, 1981, 9205, 9905, 12887, 13867, 64435, 69335, 74429, 372145, 521003, 2605015, 3647021, 18235105]

約数ペア:

[(1, 18235105), (5, 3647021), (7, 2605015), (35, 521003), (49, 372145), (245, 74429), (263, 69335), (283, 64435), (1315, 13867), (1415, 12887), (1841, 9905), (1981, 9205)]