18119655

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{419}}^1$

素因数の和:492

約数の個数: 36

約数和(自身を含む): 32530680

約数和(自身を除く): 14411025

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 419, 465, 961, 1257, 1395, 2095, 2883, 3771, 4805, 6285, 8649, 12989, 14415, 18855, 38967, 43245, 64945, 116901, 194835, 402659, 584505, 1207977, 2013295, 3623931, 6039885, 18119655]

約数ペア:

[(1, 18119655), (3, 6039885), (5, 3623931), (9, 2013295), (15, 1207977), (31, 584505), (45, 402659), (93, 194835), (155, 116901), (279, 64945), (419, 43245), (465, 38967), (961, 18855), (1257, 14415), (1395, 12989), (2095, 8649), (2883, 6285), (3771, 4805)]