17209820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{45289}}^1$

素因数の和:45317

約数の個数: 24

約数和(自身を含む): 38043600

約数和(自身を除く): 20833780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 45289, 90578, 181156, 226445, 452890, 860491, 905780, 1720982, 3441964, 4302455, 8604910, 17209820]

約数ペア:

[(1, 17209820), (2, 8604910), (4, 4302455), (5, 3441964), (10, 1720982), (19, 905780), (20, 860491), (38, 452890), (76, 226445), (95, 181156), (190, 90578), (380, 45289)]