18213783

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 29661696

約数和(自身を除く): 11447913

約数列:

[1, 3, 7, 17, 21, 51, 119, 163, 313, 357, 489, 939, 1141, 2191, 2771, 3423, 5321, 6573, 8313, 15963, 19397, 37247, 51019, 58191, 111741, 153057, 357133, 867323, 1071399, 2601969, 6071261, 18213783]

約数ペア:

[(1, 18213783), (3, 6071261), (7, 2601969), (17, 1071399), (21, 867323), (51, 357133), (119, 153057), (163, 111741), (313, 58191), (357, 51019), (489, 37247), (939, 19397), (1141, 15963), (2191, 8313), (2771, 6573), (3423, 5321)]