19778432

素因数分解:

$2^7\times {\mathrm{191}}^1\times {\mathrm{809}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 19879168

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 191, 382, 764, 809, 1528, 1618, 3056, 3236, 6112, 6472, 12224, 12944, 24448, 25888, 51776, 103552, 154519, 309038, 618076, 1236152, 2472304, 4944608, 9889216, 19778432]

約数ペア:

[(1, 19778432), (2, 9889216), (4, 4944608), (8, 2472304), (16, 1236152), (32, 618076), (64, 309038), (128, 154519), (191, 103552), (382, 51776), (764, 25888), (809, 24448), (1528, 12944), (1618, 12224), (3056, 6472), (3236, 6112)]