18444805

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 22604400

約数和(自身を除く): 4159595

約数列:

[1, 5, 89, 181, 229, 445, 905, 1145, 16109, 20381, 41449, 80545, 101905, 207245, 3688961, 18444805]

約数ペア:

[(1, 18444805), (5, 3688961), (89, 207245), (181, 101905), (229, 80545), (445, 41449), (905, 20381), (1145, 16109)]