19861995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{57571}}^1$

素因数の和:57602

約数の個数: 16

約数和(自身を含む): 33161472

約数和(自身を除く): 13299477

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 57571, 172713, 287855, 863565, 1324133, 3972399, 6620665, 19861995]

約数ペア:

[(1, 19861995), (3, 6620665), (5, 3972399), (15, 1324133), (23, 863565), (69, 287855), (115, 172713), (345, 57571)]