19916118

素因数分解:

$2^1\times 3^4\times {\mathrm{122939}}^1$

素因数の和:122953

約数の個数: 20

約数和(自身を含む): 44627220

約数和(自身を除く): 24711102

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 122939, 245878, 368817, 737634, 1106451, 2212902, 3319353, 6638706, 9958059, 19916118]

約数ペア:

[(1, 19916118), (2, 9958059), (3, 6638706), (6, 3319353), (9, 2212902), (18, 1106451), (27, 737634), (54, 368817), (81, 245878), (162, 122939)]