19896472

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1523}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 39502080

約数和(自身を除く): 19605608

約数列:

[1, 2, 4, 8, 23, 46, 71, 92, 142, 184, 284, 568, 1523, 1633, 3046, 3266, 6092, 6532, 12184, 13064, 35029, 70058, 108133, 140116, 216266, 280232, 432532, 865064, 2487059, 4974118, 9948236, 19896472]

約数ペア:

[(1, 19896472), (2, 9948236), (4, 4974118), (8, 2487059), (23, 865064), (46, 432532), (71, 280232), (92, 216266), (142, 140116), (184, 108133), (284, 70058), (568, 35029), (1523, 13064), (1633, 12184), (3046, 6532), (3266, 6092)]