9990846

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 23063040

約数和(自身を除く): 13072194

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 131, 171, 223, 262, 342, 393, 446, 669, 786, 1179, 1338, 2007, 2358, 2489, 4014, 4237, 4978, 7467, 8474, 12711, 14934, 22401, 25422, 29213, 38133, 44802, 58426, 76266, 87639, 175278, 262917, 525834, 555047, 1110094, 1665141, 3330282, 4995423, 9990846]

約数ペア:

[(1, 9990846), (2, 4995423), (3, 3330282), (6, 1665141), (9, 1110094), (18, 555047), (19, 525834), (38, 262917), (57, 175278), (114, 87639), (131, 76266), (171, 58426), (223, 44802), (262, 38133), (342, 29213), (393, 25422), (446, 22401), (669, 14934), (786, 12711), (1179, 8474), (1338, 7467), (2007, 4978), (2358, 4237), (2489, 4014)]