19804041

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{6491}}^1$

素因数の和:6613

約数の個数: 16

約数和(自身を含む): 29603520

約数和(自身を除く): 9799479

約数列:

[1, 3, 9, 27, 113, 339, 1017, 3051, 6491, 19473, 58419, 175257, 733483, 2200449, 6601347, 19804041]

約数ペア:

[(1, 19804041), (3, 6601347), (9, 2200449), (27, 733483), (113, 175257), (339, 58419), (1017, 19473), (3051, 6491)]