19745924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4357}}^1$

素因数の和:4475

約数の個数: 24

約数和(自身を含む): 38071488

約数和(自身を除く): 18325564

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4357, 4532, 8714, 17428, 47927, 95854, 191708, 448771, 897542, 1795084, 4936481, 9872962, 19745924]

約数ペア:

[(1, 19745924), (2, 9872962), (4, 4936481), (11, 1795084), (22, 897542), (44, 448771), (103, 191708), (206, 95854), (412, 47927), (1133, 17428), (2266, 8714), (4357, 4532)]