19919354

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{8419}}^1$

素因数の和:8454

約数の個数: 24

約数和(自身を含む): 36980640

約数和(自身を除く): 17061286

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 338, 1183, 2366, 8419, 16838, 58933, 109447, 117866, 218894, 766129, 1422811, 1532258, 2845622, 9959677, 19919354]

約数ペア:

[(1, 19919354), (2, 9959677), (7, 2845622), (13, 1532258), (14, 1422811), (26, 766129), (91, 218894), (169, 117866), (182, 109447), (338, 58933), (1183, 16838), (2366, 8419)]