19980459837

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{331}}^1\times {\mathrm{13229}}^1$

素因数の和:13595

約数の個数: 48

約数和(自身を含む): 32152075200

約数和(自身を除く): 12171615363

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 331, 351, 507, 993, 1521, 2979, 4303, 4563, 8937, 12909, 13229, 38727, 39687, 55939, 116181, 119061, 167817, 171977, 357183, 503451, 515931, 1510353, 1547793, 2235701, 4378799, 4643379, 6707103, 13136397, 20121309, 39409191, 56924387, 60363927, 118227573, 170773161, 512319483, 740017031, 1536958449, 2220051093, 6660153279, 19980459837]

約数ペア:

[(1, 19980459837), (3, 6660153279), (9, 2220051093), (13, 1536958449), (27, 740017031), (39, 512319483), (117, 170773161), (169, 118227573), (331, 60363927), (351, 56924387), (507, 39409191), (993, 20121309), (1521, 13136397), (2979, 6707103), (4303, 4643379), (4563, 4378799), (8937, 2235701), (12909, 1547793), (13229, 1510353), (38727, 515931), (39687, 503451), (55939, 357183), (116181, 171977), (119061, 167817)]