17589820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1129}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 39866400

約数和(自身を除く): 22276580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1129, 1558, 2258, 3116, 3895, 4516, 5645, 7790, 11290, 15580, 21451, 22580, 42902, 46289, 85804, 92578, 107255, 185156, 214510, 231445, 429020, 462890, 879491, 925780, 1758982, 3517964, 4397455, 8794910, 17589820]

約数ペア:

[(1, 17589820), (2, 8794910), (4, 4397455), (5, 3517964), (10, 1758982), (19, 925780), (20, 879491), (38, 462890), (41, 429020), (76, 231445), (82, 214510), (95, 185156), (164, 107255), (190, 92578), (205, 85804), (380, 46289), (410, 42902), (779, 22580), (820, 21451), (1129, 15580), (1558, 11290), (2258, 7790), (3116, 5645), (3895, 4516)]