19561102

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{80831}}^1$

素因数の和:80855

約数の個数: 12

約数和(自身を含む): 32251968

約数和(自身を除く): 12690866

約数列:

[1, 2, 11, 22, 121, 242, 80831, 161662, 889141, 1778282, 9780551, 19561102]

約数ペア:

[(1, 19561102), (2, 9780551), (11, 1778282), (22, 889141), (121, 161662), (242, 80831)]