987431140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2598503}}^1$

素因数の和:2598531

約数の個数: 24

約数和(自身を含む): 2182743360

約数和(自身を除く): 1195312220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2598503, 5197006, 10394012, 12992515, 25985030, 49371557, 51970060, 98743114, 197486228, 246857785, 493715570, 987431140]

約数ペア:

[(1, 987431140), (2, 493715570), (4, 246857785), (5, 197486228), (10, 98743114), (19, 51970060), (20, 49371557), (38, 25985030), (76, 12992515), (95, 10394012), (190, 5197006), (380, 2598503)]