19532261

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:524

約数の個数: 16

約数和(自身を含む): 22915200

約数和(自身を除く): 3382939

約数列:

[1, 7, 61, 149, 307, 427, 1043, 2149, 9089, 18727, 45743, 63623, 131089, 320201, 2790323, 19532261]

約数ペア:

[(1, 19532261), (7, 2790323), (61, 320201), (149, 131089), (307, 63623), (427, 45743), (1043, 18727), (2149, 9089)]