19688895

素因数分解:

$3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2267}}^1$

素因数の和:2471

約数の個数: 24

約数和(自身を含む): 34319376

約数和(自身を除く): 14630481

約数列:

[1, 3, 5, 9, 15, 45, 193, 579, 965, 1737, 2267, 2895, 6801, 8685, 11335, 20403, 34005, 102015, 437531, 1312593, 2187655, 3937779, 6562965, 19688895]

約数ペア:

[(1, 19688895), (3, 6562965), (5, 3937779), (9, 2187655), (15, 1312593), (45, 437531), (193, 102015), (579, 34005), (965, 20403), (1737, 11335), (2267, 8685), (2895, 6801)]