1991268

素因数分解:

$2^2\times 3^2\times {\mathrm{55313}}^1$

素因数の和:55323

約数の個数: 18

約数和(自身を含む): 5033574

約数和(自身を除く): 3042306

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 55313, 110626, 165939, 221252, 331878, 497817, 663756, 995634, 1991268]

約数ペア:

[(1, 1991268), (2, 995634), (3, 663756), (4, 497817), (6, 331878), (9, 221252), (12, 165939), (18, 110626), (36, 55313)]