19373720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7229}}^1$

素因数の和:7307

約数の個数: 32

約数和(自身を含む): 44247600

約数和(自身を除く): 24873880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 7229, 14458, 28916, 36145, 57832, 72290, 144580, 289160, 484343, 968686, 1937372, 2421715, 3874744, 4843430, 9686860, 19373720]

約数ペア:

[(1, 19373720), (2, 9686860), (4, 4843430), (5, 3874744), (8, 2421715), (10, 1937372), (20, 968686), (40, 484343), (67, 289160), (134, 144580), (268, 72290), (335, 57832), (536, 36145), (670, 28916), (1340, 14458), (2680, 7229)]