16838180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{607}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 37793280

約数和(自身を除く): 20955100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 607, 730, 1214, 1387, 1460, 2428, 2774, 3035, 5548, 6070, 6935, 11533, 12140, 13870, 23066, 27740, 44311, 46132, 57665, 88622, 115330, 177244, 221555, 230660, 443110, 841909, 886220, 1683818, 3367636, 4209545, 8419090, 16838180]

約数ペア:

[(1, 16838180), (2, 8419090), (4, 4209545), (5, 3367636), (10, 1683818), (19, 886220), (20, 841909), (38, 443110), (73, 230660), (76, 221555), (95, 177244), (146, 115330), (190, 88622), (292, 57665), (365, 46132), (380, 44311), (607, 27740), (730, 23066), (1214, 13870), (1387, 12140), (1460, 11533), (2428, 6935), (2774, 6070), (3035, 5548)]