19002249

素因数分解:

$3^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 33488640

約数和(自身を除く): 14486391

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 63, 147, 159, 189, 271, 371, 441, 477, 813, 1113, 1323, 1431, 1897, 2439, 2597, 3339, 5691, 7317, 7791, 10017, 13279, 14363, 17073, 23373, 39837, 43089, 51219, 70119, 100541, 119511, 129267, 301623, 358533, 387801, 703787, 904869, 2111361, 2714607, 6334083, 19002249]

約数ペア:

[(1, 19002249), (3, 6334083), (7, 2714607), (9, 2111361), (21, 904869), (27, 703787), (49, 387801), (53, 358533), (63, 301623), (147, 129267), (159, 119511), (189, 100541), (271, 70119), (371, 51219), (441, 43089), (477, 39837), (813, 23373), (1113, 17073), (1323, 14363), (1431, 13279), (1897, 10017), (2439, 7791), (2597, 7317), (3339, 5691)]