19980857523

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1069}}^1\times {\mathrm{19531}}^1$

素因数の和:20643

約数の個数: 32

約数和(自身を含む): 30094905600

約数和(自身を除く): 10114048077

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 1069, 3207, 11759, 19531, 31001, 35277, 58593, 93003, 214841, 341011, 566399, 644523, 1023033, 1699197, 6230389, 18691167, 20878639, 62635917, 229665029, 605480531, 688995087, 1816441593, 6660285841, 19980857523]

約数ペア:

[(1, 19980857523), (3, 6660285841), (11, 1816441593), (29, 688995087), (33, 605480531), (87, 229665029), (319, 62635917), (957, 20878639), (1069, 18691167), (3207, 6230389), (11759, 1699197), (19531, 1023033), (31001, 644523), (35277, 566399), (58593, 341011), (93003, 214841)]