18790292

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{607}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 33707520

約数和(自身を除く): 14917228

約数列:

[1, 2, 4, 71, 109, 142, 218, 284, 436, 607, 1214, 2428, 7739, 15478, 30956, 43097, 66163, 86194, 132326, 172388, 264652, 4697573, 9395146, 18790292]

約数ペア:

[(1, 18790292), (2, 9395146), (4, 4697573), (71, 264652), (109, 172388), (142, 132326), (218, 86194), (284, 66163), (436, 43097), (607, 30956), (1214, 15478), (2428, 7739)]