18984728

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1873}}^1$

素因数の和:2067

約数の個数: 32

約数和(自身を含む): 40928160

約数和(自身を除く): 21943432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 1267, 1448, 1873, 2534, 3746, 5068, 7492, 10136, 13111, 14984, 26222, 52444, 104888, 339013, 678026, 1356052, 2373091, 2712104, 4746182, 9492364, 18984728]

約数ペア:

[(1, 18984728), (2, 9492364), (4, 4746182), (7, 2712104), (8, 2373091), (14, 1356052), (28, 678026), (56, 339013), (181, 104888), (362, 52444), (724, 26222), (1267, 14984), (1448, 13111), (1873, 10136), (2534, 7492), (3746, 5068)]