19631938

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{613}}^1$

素因数の和:921

約数の個数: 16

約数和(自身を含む): 30061440

約数和(自身を除く): 10429502

約数列:

[1, 2, 67, 134, 239, 478, 613, 1226, 16013, 32026, 41071, 82142, 146507, 293014, 9815969, 19631938]

約数ペア:

[(1, 19631938), (2, 9815969), (67, 293014), (134, 146507), (239, 82142), (478, 41071), (613, 32026), (1226, 16013)]