18312888979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{521}}^1\times {\mathrm{953}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 22947287040

約数和(自身を除く): 4634398061

約数列:

[1, 7, 11, 77, 479, 521, 953, 3353, 3647, 5269, 5731, 6671, 10483, 36883, 40117, 73381, 249559, 456487, 496513, 1746913, 2745149, 3195409, 3475591, 5021357, 5461643, 19216043, 35149499, 38231501, 237829727, 1664808089, 2616126997, 18312888979]

約数ペア:

[(1, 18312888979), (7, 2616126997), (11, 1664808089), (77, 237829727), (479, 38231501), (521, 35149499), (953, 19216043), (3353, 5461643), (3647, 5021357), (5269, 3475591), (5731, 3195409), (6671, 2745149), (10483, 1746913), (36883, 496513), (40117, 456487), (73381, 249559)]