19914010

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68669}}^1$

素因数の和:68705

約数の個数: 16

約数和(自身を含む): 37081800

約数和(自身を除く): 17167790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 68669, 137338, 343345, 686690, 1991401, 3982802, 9957005, 19914010]

約数ペア:

[(1, 19914010), (2, 9957005), (5, 3982802), (10, 1991401), (29, 686690), (58, 343345), (145, 137338), (290, 68669)]