19828851

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 32509440

約数和(自身を除く): 12680589

約数列:

[1, 3, 7, 17, 21, 51, 67, 119, 201, 357, 469, 829, 1139, 1407, 2487, 3417, 5803, 7973, 14093, 17409, 23919, 42279, 55543, 98651, 166629, 295953, 388801, 944231, 1166403, 2832693, 6609617, 19828851]

約数ペア:

[(1, 19828851), (3, 6609617), (7, 2832693), (17, 1166403), (21, 944231), (51, 388801), (67, 295953), (119, 166629), (201, 98651), (357, 55543), (469, 42279), (829, 23919), (1139, 17409), (1407, 14093), (2487, 7973), (3417, 5803)]