19657305

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 36429120

約数和(自身を除く): 16771815

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 83, 95, 171, 249, 277, 285, 415, 747, 831, 855, 1245, 1385, 1577, 2493, 3735, 4155, 4731, 5263, 7885, 12465, 14193, 15789, 22991, 23655, 26315, 47367, 68973, 70965, 78945, 114955, 206919, 236835, 344865, 436829, 1034595, 1310487, 2184145, 3931461, 6552435, 19657305]

約数ペア:

[(1, 19657305), (3, 6552435), (5, 3931461), (9, 2184145), (15, 1310487), (19, 1034595), (45, 436829), (57, 344865), (83, 236835), (95, 206919), (171, 114955), (249, 78945), (277, 70965), (285, 68973), (415, 47367), (747, 26315), (831, 23655), (855, 22991), (1245, 15789), (1385, 14193), (1577, 12465), (2493, 7885), (3735, 5263), (4155, 4731)]