18941078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{4211}}^1$

素因数の和:4399

約数の個数: 16

約数和(自身を含む): 30781296

約数和(自身を除く): 11840218

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4211, 4498, 8422, 54743, 109486, 728503, 1457006, 9470539, 18941078]

約数ペア:

[(1, 18941078), (2, 9470539), (13, 1457006), (26, 728503), (173, 109486), (346, 54743), (2249, 8422), (4211, 4498)]