18925371

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 28782000

約数和(自身を除く): 9856629

約数列:

[1, 3, 9, 29, 59, 87, 177, 261, 531, 1229, 1711, 3687, 5133, 11061, 15399, 35641, 72511, 106923, 217533, 320769, 652599, 2102819, 6308457, 18925371]

約数ペア:

[(1, 18925371), (3, 6308457), (9, 2102819), (29, 652599), (59, 320769), (87, 217533), (177, 106923), (261, 72511), (531, 35641), (1229, 15399), (1711, 11061), (3687, 5133)]