18787314

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1811}}^1$

素因数の和:1855

約数の個数: 64

約数和(自身を含む): 48706560

約数和(自身を除く): 29919246

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 1811, 3458, 3622, 5187, 5433, 10374, 10866, 12677, 23543, 25354, 34409, 38031, 47086, 68818, 70629, 76062, 103227, 141258, 164801, 206454, 240863, 329602, 447317, 481726, 494403, 722589, 894634, 988806, 1341951, 1445178, 2683902, 3131219, 6262438, 9393657, 18787314]

約数ペア:

[(1, 18787314), (2, 9393657), (3, 6262438), (6, 3131219), (7, 2683902), (13, 1445178), (14, 1341951), (19, 988806), (21, 894634), (26, 722589), (38, 494403), (39, 481726), (42, 447317), (57, 329602), (78, 240863), (91, 206454), (114, 164801), (133, 141258), (182, 103227), (247, 76062), (266, 70629), (273, 68818), (399, 47086), (494, 38031), (546, 34409), (741, 25354), (798, 23543), (1482, 12677), (1729, 10866), (1811, 10374), (3458, 5433), (3622, 5187)]