19991142

素因数分解:

$2^1\times 3^2\times {\mathrm{199}}^1\times {\mathrm{5581}}^1$

素因数の和:5788

約数の個数: 24

約数和(自身を含む): 43539600

約数和(自身を除く): 23548458

約数列:

[1, 2, 3, 6, 9, 18, 199, 398, 597, 1194, 1791, 3582, 5581, 11162, 16743, 33486, 50229, 100458, 1110619, 2221238, 3331857, 6663714, 9995571, 19991142]

約数ペア:

[(1, 19991142), (2, 9995571), (3, 6663714), (6, 3331857), (9, 2221238), (18, 1110619), (199, 100458), (398, 50229), (597, 33486), (1194, 16743), (1791, 11162), (3582, 5581)]