19496628

素因数分解:

$2^2\times 3^2\times {\mathrm{491}}^1\times {\mathrm{1103}}^1$

素因数の和:1604

約数の個数: 36

約数和(自身を含む): 49428288

約数和(自身を除く): 29931660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 491, 982, 1103, 1473, 1964, 2206, 2946, 3309, 4412, 4419, 5892, 6618, 8838, 9927, 13236, 17676, 19854, 39708, 541573, 1083146, 1624719, 2166292, 3249438, 4874157, 6498876, 9748314, 19496628]

約数ペア:

[(1, 19496628), (2, 9748314), (3, 6498876), (4, 4874157), (6, 3249438), (9, 2166292), (12, 1624719), (18, 1083146), (36, 541573), (491, 39708), (982, 19854), (1103, 17676), (1473, 13236), (1964, 9927), (2206, 8838), (2946, 6618), (3309, 5892), (4412, 4419)]