19998982091

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1\times {\mathrm{1213}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 22614197760

約数和(自身を除く): 2615215669

約数列:

[1, 11, 41, 139, 263, 451, 1213, 1529, 2893, 5699, 10783, 13343, 36557, 49733, 62689, 118613, 168607, 319019, 402127, 547063, 1498837, 1854677, 3509209, 6912887, 13079779, 16487207, 44343641, 76041757, 143877569, 487780051, 1818089281, 19998982091]

約数ペア:

[(1, 19998982091), (11, 1818089281), (41, 487780051), (139, 143877569), (263, 76041757), (451, 44343641), (1213, 16487207), (1529, 13079779), (2893, 6912887), (5699, 3509209), (10783, 1854677), (13343, 1498837), (36557, 547063), (49733, 402127), (62689, 319019), (118613, 168607)]