19400043

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1009}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 30542400

約数和(自身を除く): 11142357

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 221, 377, 493, 663, 1009, 1131, 1479, 3027, 6409, 13117, 17153, 19227, 29261, 39351, 51459, 87783, 222989, 380393, 497437, 668967, 1141179, 1492311, 6466681, 19400043]

約数ペア:

[(1, 19400043), (3, 6466681), (13, 1492311), (17, 1141179), (29, 668967), (39, 497437), (51, 380393), (87, 222989), (221, 87783), (377, 51459), (493, 39351), (663, 29261), (1009, 19227), (1131, 17153), (1479, 13117), (3027, 6409)]