18400478

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1\times {\mathrm{389}}^1$

素因数の和:811

約数の個数: 16

約数和(自身を含む): 28164240

約数和(自身を除く): 9763762

約数列:

[1, 2, 67, 134, 353, 389, 706, 778, 23651, 26063, 47302, 52126, 137317, 274634, 9200239, 18400478]

約数ペア:

[(1, 18400478), (2, 9200239), (67, 274634), (134, 137317), (353, 52126), (389, 47302), (706, 26063), (778, 23651)]