18891151

素因数分解:

${\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:330

約数の個数: 16

約数和(自身を含む): 20311200

約数和(自身を除く): 1420049

約数列:

[1, 29, 59, 61, 181, 1711, 1769, 3599, 5249, 10679, 11041, 104371, 309691, 320189, 651419, 18891151]

約数ペア:

[(1, 18891151), (29, 651419), (59, 320189), (61, 309691), (181, 104371), (1711, 11041), (1769, 10679), (3599, 5249)]