2018920678

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1\times {\mathrm{11681}}^1$

素因数の和:12743

約数の個数: 16

約数和(自身を含む): 3065824080

約数和(自身を除く): 1046903402

約数列:

[1, 2, 89, 178, 971, 1942, 11681, 23362, 86419, 172838, 1039609, 2079218, 11342251, 22684502, 1009460339, 2018920678]

約数ペア:

[(1, 2018920678), (2, 1009460339), (89, 22684502), (178, 11342251), (971, 2079218), (1942, 1039609), (11681, 172838), (23362, 86419)]