19005605085

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40872269}}^1$

素因数の和:40872308

約数の個数: 16

約数和(自身を含む): 31389903360

約数和(自身を除く): 12384298275

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 40872269, 122616807, 204361345, 613084035, 1267040339, 3801121017, 6335201695, 19005605085]

約数ペア:

[(1, 19005605085), (3, 6335201695), (5, 3801121017), (15, 1267040339), (31, 613084035), (93, 204361345), (155, 122616807), (465, 40872269)]