19279757

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 22660992

約数和(自身を除く): 3381235

約数列:

[1, 7, 53, 157, 331, 371, 1099, 2317, 8321, 17543, 51967, 58247, 122801, 363769, 2754251, 19279757]

約数ペア:

[(1, 19279757), (7, 2754251), (53, 363769), (157, 122801), (331, 58247), (371, 51967), (1099, 17543), (2317, 8321)]