19840187427

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{6779}}^1$

素因数の和:7147

約数の個数: 32

約数和(自身を含む): 27415065600

約数和(自身を除く): 7574878173

約数列:

[1, 3, 53, 79, 159, 233, 237, 699, 4187, 6779, 12349, 12561, 18407, 20337, 37047, 55221, 359287, 535541, 975571, 1077861, 1579507, 1606623, 2926713, 4738521, 28383673, 83713871, 85151019, 124781053, 251141613, 374343159, 6613395809, 19840187427]

約数ペア:

[(1, 19840187427), (3, 6613395809), (53, 374343159), (79, 251141613), (159, 124781053), (233, 85151019), (237, 83713871), (699, 28383673), (4187, 4738521), (6779, 2926713), (12349, 1606623), (12561, 1579507), (18407, 1077861), (20337, 975571), (37047, 535541), (55221, 359287)]