989136010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5205979}}^1$

素因数の和:5206005

約数の個数: 16

約数和(自身を含む): 1874152800

約数和(自身を除く): 885016790

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 5205979, 10411958, 26029895, 52059790, 98913601, 197827202, 494568005, 989136010]

約数ペア:

[(1, 989136010), (2, 494568005), (5, 197827202), (10, 98913601), (19, 52059790), (38, 26029895), (95, 10411958), (190, 5205979)]