645351606

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{1886993}}^1$

素因数の和:1887020

約数の個数: 24

約数和(自身を含む): 1471855320

約数和(自身を除く): 826503714

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 1886993, 3773986, 5660979, 11321958, 16982937, 33965874, 35852867, 71705734, 107558601, 215117202, 322675803, 645351606]

約数ペア:

[(1, 645351606), (2, 322675803), (3, 215117202), (6, 107558601), (9, 71705734), (18, 35852867), (19, 33965874), (38, 16982937), (57, 11321958), (114, 5660979), (171, 3773986), (342, 1886993)]