19666633

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 24208128

約数和(自身を除く): 4541495

約数列:

[1, 7, 23, 47, 113, 161, 329, 529, 791, 1081, 2599, 3703, 5311, 7567, 18193, 24863, 37177, 59777, 122153, 174041, 418439, 855071, 2809519, 19666633]

約数ペア:

[(1, 19666633), (7, 2809519), (23, 855071), (47, 418439), (113, 174041), (161, 122153), (329, 59777), (529, 37177), (791, 24863), (1081, 18193), (2599, 7567), (3703, 5311)]