18882730

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{7523}}^1$

素因数の和:7781

約数の個数: 16

約数和(自身を含む): 34128864

約数和(自身を除く): 15246134

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 7523, 15046, 37615, 75230, 1888273, 3776546, 9441365, 18882730]

約数ペア:

[(1, 18882730), (2, 9441365), (5, 3776546), (10, 1888273), (251, 75230), (502, 37615), (1255, 15046), (2510, 7523)]