19401104830

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20001139}}^1$

素因数の和:20001243

約数の個数: 16

約数和(自身を含む): 35282010960

約数和(自身を除く): 15880906130

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 20001139, 40002278, 100005695, 200011390, 1940110483, 3880220966, 9700552415, 19401104830]

約数ペア:

[(1, 19401104830), (2, 9700552415), (5, 3880220966), (10, 1940110483), (97, 200011390), (194, 100005695), (485, 40002278), (970, 20001139)]