2019045820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{223841}}^1$

素因数の和:223902

約数の個数: 48

約数和(自身を含む): 4738287456

約数和(自身を除く): 2719241636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 223841, 447682, 895364, 1119205, 2238410, 2462251, 4476820, 4924502, 9177481, 9849004, 12311255, 18354962, 24622510, 36709924, 45887405, 49245020, 91774810, 100952291, 183549620, 201904582, 403809164, 504761455, 1009522910, 2019045820]

約数ペア:

[(1, 2019045820), (2, 1009522910), (4, 504761455), (5, 403809164), (10, 201904582), (11, 183549620), (20, 100952291), (22, 91774810), (41, 49245020), (44, 45887405), (55, 36709924), (82, 24622510), (110, 18354962), (164, 12311255), (205, 9849004), (220, 9177481), (410, 4924502), (451, 4476820), (820, 2462251), (902, 2238410), (1804, 1119205), (2255, 895364), (4510, 447682), (9020, 223841)]