18230511

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 28643328

約数和(自身を除く): 10412817

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 221, 403, 527, 663, 887, 1209, 1581, 2661, 6851, 11531, 15079, 20553, 27497, 34593, 45237, 82491, 196027, 357461, 467449, 588081, 1072383, 1402347, 6076837, 18230511]

約数ペア:

[(1, 18230511), (3, 6076837), (13, 1402347), (17, 1072383), (31, 588081), (39, 467449), (51, 357461), (93, 196027), (221, 82491), (403, 45237), (527, 34593), (663, 27497), (887, 20553), (1209, 15079), (1581, 11531), (2661, 6851)]