19827380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43103}}^1$

素因数の和:43135

約数の個数: 24

約数和(自身を含む): 43448832

約数和(自身を除く): 23621452

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43103, 86206, 172412, 215515, 431030, 862060, 991369, 1982738, 3965476, 4956845, 9913690, 19827380]

約数ペア:

[(1, 19827380), (2, 9913690), (4, 4956845), (5, 3965476), (10, 1982738), (20, 991369), (23, 862060), (46, 431030), (92, 215515), (115, 172412), (230, 86206), (460, 43103)]