19876089985

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1\times {\mathrm{53617}}^1$

素因数の和:54264

約数の個数: 16

約数和(自身を含む): 24058611072

約数和(自身を除く): 4182521087

約数列:

[1, 5, 151, 491, 755, 2455, 53617, 74141, 268085, 370705, 8096167, 26325947, 40480835, 131629735, 3975217997, 19876089985]

約数ペア:

[(1, 19876089985), (5, 3975217997), (151, 131629735), (491, 40480835), (755, 26325947), (2455, 8096167), (53617, 370705), (74141, 268085)]