28680994

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{20399}}^1$

素因数の和:20457

約数の個数: 16

約数和(自身を含む): 46512000

約数和(自身を除く): 17831006

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 20399, 40798, 387581, 754763, 775162, 1509526, 14340497, 28680994]

約数ペア:

[(1, 28680994), (2, 14340497), (19, 1509526), (37, 775162), (38, 754763), (74, 387581), (703, 40798), (1406, 20399)]