18895612

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 33810896

約数和(自身を除く): 14915284

約数列:

[1, 2, 4, 73, 146, 163, 292, 326, 397, 652, 794, 1588, 11899, 23798, 28981, 47596, 57962, 64711, 115924, 129422, 258844, 4723903, 9447806, 18895612]

約数ペア:

[(1, 18895612), (2, 9447806), (4, 4723903), (73, 258844), (146, 129422), (163, 115924), (292, 64711), (326, 57962), (397, 47596), (652, 28981), (794, 23798), (1588, 11899)]