201819805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{1279}}^1$

素因数の和:1465

約数の個数: 32

約数和(自身を含む): 280166400

約数和(自身を除く): 78346595

約数列:

[1, 5, 11, 19, 55, 95, 151, 209, 755, 1045, 1279, 1661, 2869, 6395, 8305, 14069, 14345, 24301, 31559, 70345, 121505, 157795, 193129, 267311, 965645, 1336555, 2124419, 3669451, 10622095, 18347255, 40363961, 201819805]

約数ペア:

[(1, 201819805), (5, 40363961), (11, 18347255), (19, 10622095), (55, 3669451), (95, 2124419), (151, 1336555), (209, 965645), (755, 267311), (1045, 193129), (1279, 157795), (1661, 121505), (2869, 70345), (6395, 31559), (8305, 24301), (14069, 14345)]