18917426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{271}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 13983694

約数列:

[1, 2, 11, 19, 22, 38, 167, 209, 271, 334, 418, 542, 1837, 2981, 3173, 3674, 5149, 5962, 6346, 10298, 34903, 45257, 56639, 69806, 90514, 113278, 497827, 859883, 995654, 1719766, 9458713, 18917426]

約数ペア:

[(1, 18917426), (2, 9458713), (11, 1719766), (19, 995654), (22, 859883), (38, 497827), (167, 113278), (209, 90514), (271, 69806), (334, 56639), (418, 45257), (542, 34903), (1837, 10298), (2981, 6346), (3173, 5962), (3674, 5149)]