18649235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1607}}^1$

素因数の和:1834

約数の個数: 16

約数和(自身を含む): 24544512

約数和(自身を除く): 5895277

約数列:

[1, 5, 11, 55, 211, 1055, 1607, 2321, 8035, 11605, 17677, 88385, 339077, 1695385, 3729847, 18649235]

約数ペア:

[(1, 18649235), (5, 3729847), (11, 1695385), (55, 339077), (211, 88385), (1055, 17677), (1607, 11605), (2321, 8035)]