18923612

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{409}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 34095600

約数和(自身を除く): 15171988

約数列:

[1, 2, 4, 43, 86, 172, 269, 409, 538, 818, 1076, 1636, 11567, 17587, 23134, 35174, 46268, 70348, 110021, 220042, 440084, 4730903, 9461806, 18923612]

約数ペア:

[(1, 18923612), (2, 9461806), (4, 4730903), (43, 440084), (86, 220042), (172, 110021), (269, 70348), (409, 46268), (538, 35174), (818, 23134), (1076, 17587), (1636, 11567)]