19908238

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{74843}}^1$

素因数の和:74871

約数の個数: 16

約数和(自身を含む): 35925120

約数和(自身を除く): 16016882

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 74843, 149686, 523901, 1047802, 1422017, 2844034, 9954119, 19908238]

約数ペア:

[(1, 19908238), (2, 9954119), (7, 2844034), (14, 1422017), (19, 1047802), (38, 523901), (133, 149686), (266, 74843)]