19959814

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61987}}^1$

素因数の和:62019

約数の個数: 16

約数和(自身を含む): 35705088

約数和(自身を除く): 15745274

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 61987, 123974, 433909, 867818, 1425701, 2851402, 9979907, 19959814]

約数ペア:

[(1, 19959814), (2, 9979907), (7, 2851402), (14, 1425701), (23, 867818), (46, 433909), (161, 123974), (322, 61987)]