18331376

素因数分解:

$2^4\times 7^1\times {\mathrm{163673}}^1$

素因数の和:163688

約数の個数: 20

約数和(自身を含む): 40591152

約数和(自身を除く): 22259776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163673, 327346, 654692, 1145711, 1309384, 2291422, 2618768, 4582844, 9165688, 18331376]

約数ペア:

[(1, 18331376), (2, 9165688), (4, 4582844), (7, 2618768), (8, 2291422), (14, 1309384), (16, 1145711), (28, 654692), (56, 327346), (112, 163673)]