19310612

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 36612576

約数和(自身を除く): 17301964

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 311, 361, 622, 722, 817, 1244, 1444, 1634, 3268, 5909, 11818, 13373, 15523, 23636, 26746, 31046, 53492, 62092, 112271, 224542, 254087, 449084, 508174, 1016348, 4827653, 9655306, 19310612]

約数ペア:

[(1, 19310612), (2, 9655306), (4, 4827653), (19, 1016348), (38, 508174), (43, 449084), (76, 254087), (86, 224542), (172, 112271), (311, 62092), (361, 53492), (622, 31046), (722, 26746), (817, 23636), (1244, 15523), (1444, 13373), (1634, 11818), (3268, 5909)]