19921776

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:510

約数の個数: 80

約数和(自身を含む): 59305728

約数和(自身を除く): 39383952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 211, 281, 336, 422, 562, 633, 843, 844, 1124, 1266, 1477, 1686, 1688, 1967, 2248, 2532, 2954, 3372, 3376, 3934, 4431, 4496, 5064, 5901, 5908, 6744, 7868, 8862, 10128, 11802, 11816, 13488, 15736, 17724, 23604, 23632, 31472, 35448, 47208, 59291, 70896, 94416, 118582, 177873, 237164, 355746, 415037, 474328, 711492, 830074, 948656, 1245111, 1422984, 1660148, 2490222, 2845968, 3320296, 4980444, 6640592, 9960888, 19921776]

約数ペア:

[(1, 19921776), (2, 9960888), (3, 6640592), (4, 4980444), (6, 3320296), (7, 2845968), (8, 2490222), (12, 1660148), (14, 1422984), (16, 1245111), (21, 948656), (24, 830074), (28, 711492), (42, 474328), (48, 415037), (56, 355746), (84, 237164), (112, 177873), (168, 118582), (211, 94416), (281, 70896), (336, 59291), (422, 47208), (562, 35448), (633, 31472), (843, 23632), (844, 23604), (1124, 17724), (1266, 15736), (1477, 13488), (1686, 11816), (1688, 11802), (1967, 10128), (2248, 8862), (2532, 7868), (2954, 6744), (3372, 5908), (3376, 5901), (3934, 5064), (4431, 4496)]