19842621

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{1699}}^1$

素因数の和:1948

約数の個数: 16

約数和(自身を含む): 28152000

約数和(自身を除く): 8309379

約数列:

[1, 3, 17, 51, 229, 687, 1699, 3893, 5097, 11679, 28883, 86649, 389071, 1167213, 6614207, 19842621]

約数ペア:

[(1, 19842621), (3, 6614207), (17, 1167213), (51, 389071), (229, 86649), (687, 28883), (1699, 11679), (3893, 5097)]