18996978670

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{65506823}}^1$

素因数の和:65506859

約数の個数: 16

約数和(自身を含む): 35373684960

約数和(自身を除く): 16376706290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 65506823, 131013646, 327534115, 655068230, 1899697867, 3799395734, 9498489335, 18996978670]

約数ペア:

[(1, 18996978670), (2, 9498489335), (5, 3799395734), (10, 1899697867), (29, 655068230), (58, 327534115), (145, 131013646), (290, 65506823)]