19772818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6977}}^1$

素因数の和:7101

約数の個数: 16

約数和(自身を含む): 32238360

約数和(自身を除く): 12465542

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 6977, 13954, 90701, 181402, 760493, 1520986, 9886409, 19772818]

約数ペア:

[(1, 19772818), (2, 9886409), (13, 1520986), (26, 760493), (109, 181402), (218, 90701), (1417, 13954), (2834, 6977)]