18948853

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 24837120

約数和(自身を除く): 5888267

約数列:

[1, 7, 11, 43, 59, 77, 97, 301, 413, 473, 649, 679, 1067, 2537, 3311, 4171, 4543, 5723, 7469, 17759, 27907, 29197, 40061, 45881, 62953, 195349, 246089, 321167, 440671, 1722623, 2706979, 18948853]

約数ペア:

[(1, 18948853), (7, 2706979), (11, 1722623), (43, 440671), (59, 321167), (77, 246089), (97, 195349), (301, 62953), (413, 45881), (473, 40061), (649, 29197), (679, 27907), (1067, 17759), (2537, 7469), (3311, 5723), (4171, 4543)]