19801816

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{41953}}^1$

素因数の和:42018

約数の個数: 16

約数和(自身を含む): 37758600

約数和(自身を除く): 17956784

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 41953, 83906, 167812, 335624, 2475227, 4950454, 9900908, 19801816]

約数ペア:

[(1, 19801816), (2, 9900908), (4, 4950454), (8, 2475227), (59, 335624), (118, 167812), (236, 83906), (472, 41953)]