18986235

素因数分解:

$3^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1427}}^1$

素因数の和:2322

約数の個数: 16

約数和(自身を含む): 30433536

約数和(自身を除く): 11447301

約数列:

[1, 3, 5, 15, 887, 1427, 2661, 4281, 4435, 7135, 13305, 21405, 1265749, 3797247, 6328745, 18986235]

約数ペア:

[(1, 18986235), (3, 6328745), (5, 3797247), (15, 1265749), (887, 21405), (1427, 13305), (2661, 7135), (4281, 4435)]