19814820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330247}}^1$

素因数の和:330259

約数の個数: 24

約数和(自身を含む): 55481664

約数和(自身を除く): 35666844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330247, 660494, 990741, 1320988, 1651235, 1981482, 3302470, 3962964, 4953705, 6604940, 9907410, 19814820]

約数ペア:

[(1, 19814820), (2, 9907410), (3, 6604940), (4, 4953705), (5, 3962964), (6, 3302470), (10, 1981482), (12, 1651235), (15, 1320988), (20, 990741), (30, 660494), (60, 330247)]