18974228

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{52127}}^1$

素因数の和:52151

約数の個数: 24

約数和(自身を含む): 40868352

約数和(自身を除く): 21894124

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 52127, 104254, 208508, 364889, 677651, 729778, 1355302, 1459556, 2710604, 4743557, 9487114, 18974228]

約数ペア:

[(1, 18974228), (2, 9487114), (4, 4743557), (7, 2710604), (13, 1459556), (14, 1355302), (26, 729778), (28, 677651), (52, 364889), (91, 208508), (182, 104254), (364, 52127)]