19717395

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42403}}^1$

素因数の和:42442

約数の個数: 16

約数和(自身を含む): 32566272

約数和(自身を除く): 12848877

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 42403, 127209, 212015, 636045, 1314493, 3943479, 6572465, 19717395]

約数ペア:

[(1, 19717395), (3, 6572465), (5, 3943479), (15, 1314493), (31, 636045), (93, 212015), (155, 127209), (465, 42403)]