19754037

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{7867}}^1$

素因数の和:7910

約数の個数: 20

約数和(自身を含む): 30464896

約数和(自身を除く): 10710859

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 7867, 23601, 70803, 212409, 243877, 637227, 731631, 2194893, 6584679, 19754037]

約数ペア:

[(1, 19754037), (3, 6584679), (9, 2194893), (27, 731631), (31, 637227), (81, 243877), (93, 212409), (279, 70803), (837, 23601), (2511, 7867)]