18319002

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 24258918

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 47, 57, 78, 94, 114, 141, 247, 263, 282, 494, 526, 611, 741, 789, 893, 1222, 1482, 1578, 1786, 1833, 2679, 3419, 3666, 4997, 5358, 6838, 9994, 10257, 11609, 12361, 14991, 20514, 23218, 24722, 29982, 34827, 37083, 64961, 69654, 74166, 129922, 160693, 194883, 234859, 321386, 389766, 469718, 482079, 704577, 964158, 1409154, 3053167, 6106334, 9159501, 18319002]

約数ペア:

[(1, 18319002), (2, 9159501), (3, 6106334), (6, 3053167), (13, 1409154), (19, 964158), (26, 704577), (38, 482079), (39, 469718), (47, 389766), (57, 321386), (78, 234859), (94, 194883), (114, 160693), (141, 129922), (247, 74166), (263, 69654), (282, 64961), (494, 37083), (526, 34827), (611, 29982), (741, 24722), (789, 23218), (893, 20514), (1222, 14991), (1482, 12361), (1578, 11609), (1786, 10257), (1833, 9994), (2679, 6838), (3419, 5358), (3666, 4997)]