18688254

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{911}}^1$

素因数の和:1192

約数の個数: 32

約数和(自身を含む): 40449024

約数和(自身を除く): 21760770

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263, 526, 789, 911, 1578, 1822, 2733, 3419, 5466, 6838, 10257, 11843, 20514, 23686, 35529, 71058, 239593, 479186, 718779, 1437558, 3114709, 6229418, 9344127, 18688254]

約数ペア:

[(1, 18688254), (2, 9344127), (3, 6229418), (6, 3114709), (13, 1437558), (26, 718779), (39, 479186), (78, 239593), (263, 71058), (526, 35529), (789, 23686), (911, 20514), (1578, 11843), (1822, 10257), (2733, 6838), (3419, 5466)]