19715554

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{6397}}^1$

素因数の和:6489

約数の個数: 16

約数和(自身を含む): 31324608

約数和(自身を除く): 11609054

約数列:

[1, 2, 23, 46, 67, 134, 1541, 3082, 6397, 12794, 147131, 294262, 428599, 857198, 9857777, 19715554]

約数ペア:

[(1, 19715554), (2, 9857777), (23, 857198), (46, 428599), (67, 294262), (134, 147131), (1541, 12794), (3082, 6397)]