31831118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{281}}^1$

素因数の和:584

約数の個数: 32

約数和(自身を含む): 55226880

約数和(自身を除く): 23395762

約数列:

[1, 2, 11, 19, 22, 38, 209, 271, 281, 418, 542, 562, 2981, 3091, 5149, 5339, 5962, 6182, 10298, 10678, 56639, 58729, 76151, 113278, 117458, 152302, 837661, 1446869, 1675322, 2893738, 15915559, 31831118]

約数ペア:

[(1, 31831118), (2, 15915559), (11, 2893738), (19, 1675322), (22, 1446869), (38, 837661), (209, 152302), (271, 117458), (281, 113278), (418, 76151), (542, 58729), (562, 56639), (2981, 10678), (3091, 10298), (5149, 6182), (5339, 5962)]