19909518

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{80933}}^1$

素因数の和:80979

約数の個数: 16

約数和(自身を含む): 40790736

約数和(自身を除く): 20881218

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 80933, 161866, 242799, 485598, 3318253, 6636506, 9954759, 19909518]

約数ペア:

[(1, 19909518), (2, 9954759), (3, 6636506), (6, 3318253), (41, 485598), (82, 242799), (123, 161866), (246, 80933)]