18393986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{7949}}^1$

素因数の和:8053

約数の個数: 16

約数和(自身を含む): 30051000

約数和(自身を除く): 11657014

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 7949, 15898, 103337, 206674, 707461, 1414922, 9196993, 18393986]

約数ペア:

[(1, 18393986), (2, 9196993), (13, 1414922), (26, 707461), (89, 206674), (178, 103337), (1157, 15898), (2314, 7949)]