22439978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{10099}}^1$

素因数の和:10213

約数の個数: 16

約数和(自身を含む): 37087200

約数和(自身を除く): 14647222

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 10099, 20198, 111089, 222178, 1019999, 2039998, 11219989, 22439978]

約数ペア:

[(1, 22439978), (2, 11219989), (11, 2039998), (22, 1019999), (101, 222178), (202, 111089), (1111, 20198), (2222, 10099)]