19919664

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{3217}}^1$

素因数の和:3274

約数の個数: 60

約数和(自身を含む): 57061576

約数和(自身を除く): 37141912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 3217, 6192, 6434, 9651, 12868, 19302, 25736, 28953, 38604, 51472, 57906, 77208, 115812, 138331, 154416, 231624, 276662, 414993, 463248, 553324, 829986, 1106648, 1244979, 1659972, 2213296, 2489958, 3319944, 4979916, 6639888, 9959832, 19919664]

約数ペア:

[(1, 19919664), (2, 9959832), (3, 6639888), (4, 4979916), (6, 3319944), (8, 2489958), (9, 2213296), (12, 1659972), (16, 1244979), (18, 1106648), (24, 829986), (36, 553324), (43, 463248), (48, 414993), (72, 276662), (86, 231624), (129, 154416), (144, 138331), (172, 115812), (258, 77208), (344, 57906), (387, 51472), (516, 38604), (688, 28953), (774, 25736), (1032, 19302), (1548, 12868), (2064, 9651), (3096, 6434), (3217, 6192)]