19640372409

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{565793}}^1$

素因数の和:565854

約数の個数: 48

約数和(自身を含む): 35305545600

約数和(自身を除く): 15665173191

約数列:

[1, 3, 7, 9, 19, 21, 29, 57, 63, 87, 133, 171, 203, 261, 399, 551, 609, 1197, 1653, 1827, 3857, 4959, 11571, 34713, 565793, 1697379, 3960551, 5092137, 10750067, 11881653, 16407997, 32250201, 35644959, 49223991, 75250469, 96750603, 114855979, 147671973, 225751407, 311751943, 344567937, 677254221, 935255829, 1033703811, 2182263601, 2805767487, 6546790803, 19640372409]

約数ペア:

[(1, 19640372409), (3, 6546790803), (7, 2805767487), (9, 2182263601), (19, 1033703811), (21, 935255829), (29, 677254221), (57, 344567937), (63, 311751943), (87, 225751407), (133, 147671973), (171, 114855979), (203, 96750603), (261, 75250469), (399, 49223991), (551, 35644959), (609, 32250201), (1197, 16407997), (1653, 11881653), (1827, 10750067), (3857, 5092137), (4959, 3960551), (11571, 1697379), (34713, 565793)]