17989244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{677}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 39334848

約数和(自身を除く): 21345604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 73, 91, 146, 182, 292, 364, 511, 677, 949, 1022, 1354, 1898, 2044, 2708, 3796, 4739, 6643, 8801, 9478, 13286, 17602, 18956, 26572, 35204, 49421, 61607, 98842, 123214, 197684, 246428, 345947, 642473, 691894, 1284946, 1383788, 2569892, 4497311, 8994622, 17989244]

約数ペア:

[(1, 17989244), (2, 8994622), (4, 4497311), (7, 2569892), (13, 1383788), (14, 1284946), (26, 691894), (28, 642473), (52, 345947), (73, 246428), (91, 197684), (146, 123214), (182, 98842), (292, 61607), (364, 49421), (511, 35204), (677, 26572), (949, 18956), (1022, 17602), (1354, 13286), (1898, 9478), (2044, 8801), (2708, 6643), (3796, 4739)]