19226840

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2099}}^1$

素因数の和:2339

約数の個数: 32

約数和(自身を含む): 43470000

約数和(自身を除く): 24243160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2099, 2290, 4198, 4580, 8396, 9160, 10495, 16792, 20990, 41980, 83960, 480671, 961342, 1922684, 2403355, 3845368, 4806710, 9613420, 19226840]

約数ペア:

[(1, 19226840), (2, 9613420), (4, 4806710), (5, 3845368), (8, 2403355), (10, 1922684), (20, 961342), (40, 480671), (229, 83960), (458, 41980), (916, 20990), (1145, 16792), (1832, 10495), (2099, 9160), (2290, 8396), (4198, 4580)]