19721614

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{1657}}^1$

素因数の和:2211

約数の個数: 16

約数和(自身を含む): 32350896

約数和(自身を除く): 12629282

約数列:

[1, 2, 11, 22, 541, 1082, 1657, 3314, 5951, 11902, 18227, 36454, 896437, 1792874, 9860807, 19721614]

約数ペア:

[(1, 19721614), (2, 9860807), (11, 1792874), (22, 896437), (541, 36454), (1082, 18227), (1657, 11902), (3314, 5951)]