19388196

素因数分解:

$2^2\times 3^2\times {\mathrm{538561}}^1$

素因数の和:538571

約数の個数: 18

約数和(自身を含む): 49009142

約数和(自身を除く): 29620946

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 538561, 1077122, 1615683, 2154244, 3231366, 4847049, 6462732, 9694098, 19388196]

約数ペア:

[(1, 19388196), (2, 9694098), (3, 6462732), (4, 4847049), (6, 3231366), (9, 2154244), (12, 1615683), (18, 1077122), (36, 538561)]