2019929140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{48767}}^1$

素因数の和:48904

約数の個数: 48

約数和(自身を含む): 4506163200

約数和(自身を除く): 2486234060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 2071, 2180, 4142, 8284, 10355, 20710, 41420, 48767, 97534, 195068, 243835, 487670, 926573, 975340, 1853146, 3706292, 4632865, 5315603, 9265730, 10631206, 18531460, 21262412, 26578015, 53156030, 100996457, 106312060, 201992914, 403985828, 504982285, 1009964570, 2019929140]

約数ペア:

[(1, 2019929140), (2, 1009964570), (4, 504982285), (5, 403985828), (10, 201992914), (19, 106312060), (20, 100996457), (38, 53156030), (76, 26578015), (95, 21262412), (109, 18531460), (190, 10631206), (218, 9265730), (380, 5315603), (436, 4632865), (545, 3706292), (1090, 1853146), (2071, 975340), (2180, 926573), (4142, 487670), (8284, 243835), (10355, 195068), (20710, 97534), (41420, 48767)]