18850572

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:927

約数の個数: 72

約数和(自身を含む): 52468416

約数和(自身を除く): 33617844

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 857, 1222, 1692, 1714, 1833, 2444, 2571, 3428, 3666, 5142, 5499, 7332, 7713, 10284, 10998, 11141, 15426, 21996, 22282, 30852, 33423, 40279, 44564, 66846, 80558, 100269, 120837, 133692, 161116, 200538, 241674, 362511, 401076, 483348, 523627, 725022, 1047254, 1450044, 1570881, 2094508, 3141762, 4712643, 6283524, 9425286, 18850572]

約数ペア:

[(1, 18850572), (2, 9425286), (3, 6283524), (4, 4712643), (6, 3141762), (9, 2094508), (12, 1570881), (13, 1450044), (18, 1047254), (26, 725022), (36, 523627), (39, 483348), (47, 401076), (52, 362511), (78, 241674), (94, 200538), (117, 161116), (141, 133692), (156, 120837), (188, 100269), (234, 80558), (282, 66846), (423, 44564), (468, 40279), (564, 33423), (611, 30852), (846, 22282), (857, 21996), (1222, 15426), (1692, 11141), (1714, 10998), (1833, 10284), (2444, 7713), (2571, 7332), (3428, 5499), (3666, 5142)]