20197254818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12734713}}^1$

素因数の和:12734789

約数の個数: 16

約数和(自身を含む): 33161195256

約数和(自身を除く): 12963940438

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 12734713, 25469426, 165551269, 331102538, 776817493, 1553634986, 10098627409, 20197254818]

約数ペア:

[(1, 20197254818), (2, 10098627409), (13, 1553634986), (26, 776817493), (61, 331102538), (122, 165551269), (793, 25469426), (1586, 12734713)]