18471981

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 27332032

約数和(自身を除く): 8860051

約数列:

[1, 3, 11, 33, 121, 151, 337, 363, 453, 1011, 1661, 3707, 4983, 11121, 18271, 40777, 50887, 54813, 122331, 152661, 559757, 1679271, 6157327, 18471981]

約数ペア:

[(1, 18471981), (3, 6157327), (11, 1679271), (33, 559757), (121, 152661), (151, 122331), (337, 54813), (363, 50887), (453, 40777), (1011, 18271), (1661, 11121), (3707, 4983)]