18809620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49499}}^1$

素因数の和:49527

約数の個数: 24

約数和(自身を含む): 41580000

約数和(自身を除く): 22770380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49499, 98998, 197996, 247495, 494990, 940481, 989980, 1880962, 3761924, 4702405, 9404810, 18809620]

約数ペア:

[(1, 18809620), (2, 9404810), (4, 4702405), (5, 3761924), (10, 1880962), (19, 989980), (20, 940481), (38, 494990), (76, 247495), (95, 197996), (190, 98998), (380, 49499)]