18790824

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 51004800

約数和(自身を除く): 32213976

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 229, 263, 312, 458, 526, 687, 789, 916, 1052, 1374, 1578, 1832, 2104, 2748, 2977, 3156, 3419, 5496, 5954, 6312, 6838, 8931, 10257, 11908, 13676, 17862, 20514, 23816, 27352, 35724, 41028, 60227, 71448, 82056, 120454, 180681, 240908, 361362, 481816, 722724, 782951, 1445448, 1565902, 2348853, 3131804, 4697706, 6263608, 9395412, 18790824]

約数ペア:

[(1, 18790824), (2, 9395412), (3, 6263608), (4, 4697706), (6, 3131804), (8, 2348853), (12, 1565902), (13, 1445448), (24, 782951), (26, 722724), (39, 481816), (52, 361362), (78, 240908), (104, 180681), (156, 120454), (229, 82056), (263, 71448), (312, 60227), (458, 41028), (526, 35724), (687, 27352), (789, 23816), (916, 20514), (1052, 17862), (1374, 13676), (1578, 11908), (1832, 10257), (2104, 8931), (2748, 6838), (2977, 6312), (3156, 5954), (3419, 5496)]