19897552365

素因数分解:

$3^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1366121}}^1$

素因数の和:1367100

約数の個数: 16

約数和(自身を含む): 31868894016

約数和(自身を除く): 11971341651

約数列:

[1, 3, 5, 15, 971, 2913, 4855, 14565, 1366121, 4098363, 6830605, 20491815, 1326503491, 3979510473, 6632517455, 19897552365]

約数ペア:

[(1, 19897552365), (3, 6632517455), (5, 3979510473), (15, 1326503491), (971, 20491815), (2913, 6830605), (4855, 4098363), (14565, 1366121)]