18261906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{911}}^1$

素因数の和:1186

約数の個数: 32

約数和(自身を含む): 39529728

約数和(自身を除く): 21267822

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 257, 514, 771, 911, 1542, 1822, 2733, 3341, 5466, 6682, 10023, 11843, 20046, 23686, 35529, 71058, 234127, 468254, 702381, 1404762, 3043651, 6087302, 9130953, 18261906]

約数ペア:

[(1, 18261906), (2, 9130953), (3, 6087302), (6, 3043651), (13, 1404762), (26, 702381), (39, 468254), (78, 234127), (257, 71058), (514, 35529), (771, 23686), (911, 20046), (1542, 11843), (1822, 10023), (2733, 6682), (3341, 5466)]