19281316

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1455

約数の個数: 24

約数和(自身を含む): 34980120

約数和(自身を除く): 15698804

約数列:

[1, 2, 4, 41, 82, 89, 164, 178, 356, 1321, 2642, 3649, 5284, 7298, 14596, 54161, 108322, 117569, 216644, 235138, 470276, 4820329, 9640658, 19281316]

約数ペア:

[(1, 19281316), (2, 9640658), (4, 4820329), (41, 470276), (82, 235138), (89, 216644), (164, 117569), (178, 108322), (356, 54161), (1321, 14596), (2642, 7298), (3649, 5284)]