19645820

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{16649}}^1$

素因数の和:16717

約数の個数: 24

約数和(自身を含む): 41958000

約数和(自身を除く): 22312180

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 16649, 33298, 66596, 83245, 166490, 332980, 982291, 1964582, 3929164, 4911455, 9822910, 19645820]

約数ペア:

[(1, 19645820), (2, 9822910), (4, 4911455), (5, 3929164), (10, 1964582), (20, 982291), (59, 332980), (118, 166490), (236, 83245), (295, 66596), (590, 33298), (1180, 16649)]