18920605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{14957}}^1$

素因数の和:14996

約数の個数: 16

約数和(自身を含む): 25847424

約数和(自身を除く): 6926819

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 14957, 74785, 164527, 344011, 822635, 1720055, 3784121, 18920605]

約数ペア:

[(1, 18920605), (5, 3784121), (11, 1720055), (23, 822635), (55, 344011), (115, 164527), (253, 74785), (1265, 14957)]