19961818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{971}}^1$

素因数の和:1533

約数の個数: 16

約数和(自身を含む): 31609440

約数和(自身を除く): 11647622

約数列:

[1, 2, 19, 38, 541, 971, 1082, 1942, 10279, 18449, 20558, 36898, 525311, 1050622, 9980909, 19961818]

約数ペア:

[(1, 19961818), (2, 9980909), (19, 1050622), (38, 525311), (541, 36898), (971, 20558), (1082, 18449), (1942, 10279)]