18947323018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1259}}^1\times {\mathrm{578827}}^1$

素因数の和:580101

約数の個数: 16

約数和(自身を含む): 30631577760

約数和(自身を除く): 11684254742

約数列:

[1, 2, 13, 26, 1259, 2518, 16367, 32734, 578827, 1157654, 7524751, 15049502, 728743193, 1457486386, 9473661509, 18947323018]

約数ペア:

[(1, 18947323018), (2, 9473661509), (13, 1457486386), (26, 728743193), (1259, 15049502), (2518, 7524751), (16367, 1157654), (32734, 578827)]