19223644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4909}}^1$

素因数の和:5013

約数の個数: 24

約数和(自身を含む): 37119600

約数和(自身を除く): 17895956

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 4909, 9818, 19636, 53999, 107998, 215996, 436901, 873802, 1747604, 4805911, 9611822, 19223644]

約数ペア:

[(1, 19223644), (2, 9611822), (4, 4805911), (11, 1747604), (22, 873802), (44, 436901), (89, 215996), (178, 107998), (356, 53999), (979, 19636), (1958, 9818), (3916, 4909)]