18966662

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 36578304

約数和(自身を除く): 17611642

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 47, 83, 94, 143, 166, 187, 221, 286, 374, 442, 517, 611, 799, 913, 1034, 1079, 1222, 1411, 1598, 1826, 2158, 2431, 2822, 3901, 4862, 6721, 7802, 8789, 10387, 11869, 13442, 15521, 17578, 18343, 20774, 23738, 31042, 36686, 42911, 50713, 66317, 85822, 101426, 114257, 132634, 201773, 228514, 403546, 557843, 729487, 862121, 1115686, 1458974, 1724242, 9483331, 18966662]

約数ペア:

[(1, 18966662), (2, 9483331), (11, 1724242), (13, 1458974), (17, 1115686), (22, 862121), (26, 729487), (34, 557843), (47, 403546), (83, 228514), (94, 201773), (143, 132634), (166, 114257), (187, 101426), (221, 85822), (286, 66317), (374, 50713), (442, 42911), (517, 36686), (611, 31042), (799, 23738), (913, 20774), (1034, 18343), (1079, 17578), (1222, 15521), (1411, 13442), (1598, 11869), (1826, 10387), (2158, 8789), (2431, 7802), (2822, 6721), (3901, 4862)]