18612747

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{3767}}^1$

素因数の和:3840

約数の個数: 20

約数和(自身を含む): 28267536

約数和(自身を除く): 9654789

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 3767, 4941, 11301, 33903, 101709, 229787, 305127, 689361, 2068083, 6204249, 18612747]

約数ペア:

[(1, 18612747), (3, 6204249), (9, 2068083), (27, 689361), (61, 305127), (81, 229787), (183, 101709), (549, 33903), (1647, 11301), (3767, 4941)]