19393450

素因数分解:

$2^1\times 5^2\times {\mathrm{397}}^1\times {\mathrm{977}}^1$

素因数の和:1386

約数の個数: 24

約数和(自身を含む): 36199692

約数和(自身を除く): 16806242

約数列:

[1, 2, 5, 10, 25, 50, 397, 794, 977, 1954, 1985, 3970, 4885, 9770, 9925, 19850, 24425, 48850, 387869, 775738, 1939345, 3878690, 9696725, 19393450]

約数ペア:

[(1, 19393450), (2, 9696725), (5, 3878690), (10, 1939345), (25, 775738), (50, 387869), (397, 48850), (794, 24425), (977, 19850), (1954, 9925), (1985, 9770), (3970, 4885)]