19935159839

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{3001}}^1$

素因数の和:3447

約数の個数: 32

約数和(自身を含む): 23728576512

約数和(自身を除く): 3793416673

約数列:

[1, 7, 47, 61, 329, 331, 427, 2317, 2867, 3001, 15557, 20069, 20191, 21007, 108899, 141047, 141337, 183061, 948977, 987329, 993331, 1281427, 6642839, 6953317, 8603867, 46686557, 60227069, 60593191, 326805899, 424152337, 2847879977, 19935159839]

約数ペア:

[(1, 19935159839), (7, 2847879977), (47, 424152337), (61, 326805899), (329, 60593191), (331, 60227069), (427, 46686557), (2317, 8603867), (2867, 6953317), (3001, 6642839), (15557, 1281427), (20069, 993331), (20191, 987329), (21007, 948977), (108899, 183061), (141047, 141337)]