19796360

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{751}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 44668800

約数和(自身を除く): 24872440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 751, 1318, 1502, 2636, 3004, 3295, 3755, 5272, 6008, 6590, 7510, 13180, 15020, 26360, 30040, 494909, 989818, 1979636, 2474545, 3959272, 4949090, 9898180, 19796360]

約数ペア:

[(1, 19796360), (2, 9898180), (4, 4949090), (5, 3959272), (8, 2474545), (10, 1979636), (20, 989818), (40, 494909), (659, 30040), (751, 26360), (1318, 15020), (1502, 13180), (2636, 7510), (3004, 6590), (3295, 6008), (3755, 5272)]