19828995

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42643}}^1$

素因数の和:42682

約数の個数: 16

約数和(自身を含む): 32750592

約数和(自身を除く): 12921597

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 42643, 127929, 213215, 639645, 1321933, 3965799, 6609665, 19828995]

約数ペア:

[(1, 19828995), (3, 6609665), (5, 3965799), (15, 1321933), (31, 639645), (93, 213215), (155, 127929), (465, 42643)]