18740722

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 96

約数和(自身を含む): 40755456

約数和(自身を除く): 22014734

約数列:

[1, 2, 7, 11, 13, 14, 22, 23, 26, 37, 46, 74, 77, 91, 121, 143, 154, 161, 182, 242, 253, 259, 286, 299, 322, 407, 481, 506, 518, 598, 814, 847, 851, 962, 1001, 1573, 1694, 1702, 1771, 2002, 2093, 2783, 2849, 3146, 3289, 3367, 3542, 4186, 4477, 5291, 5566, 5698, 5957, 6578, 6734, 8954, 9361, 10582, 11011, 11063, 11914, 18722, 19481, 22022, 22126, 23023, 31339, 36179, 37037, 38962, 46046, 58201, 62678, 65527, 72358, 74074, 77441, 102971, 116402, 121693, 131054, 154882, 205942, 243386, 253253, 407407, 506506, 720797, 814814, 851851, 1338623, 1441594, 1703702, 2677246, 9370361, 18740722]

約数ペア:

[(1, 18740722), (2, 9370361), (7, 2677246), (11, 1703702), (13, 1441594), (14, 1338623), (22, 851851), (23, 814814), (26, 720797), (37, 506506), (46, 407407), (74, 253253), (77, 243386), (91, 205942), (121, 154882), (143, 131054), (154, 121693), (161, 116402), (182, 102971), (242, 77441), (253, 74074), (259, 72358), (286, 65527), (299, 62678), (322, 58201), (407, 46046), (481, 38962), (506, 37037), (518, 36179), (598, 31339), (814, 23023), (847, 22126), (851, 22022), (962, 19481), (1001, 18722), (1573, 11914), (1694, 11063), (1702, 11011), (1771, 10582), (2002, 9361), (2093, 8954), (2783, 6734), (2849, 6578), (3146, 5957), (3289, 5698), (3367, 5566), (3542, 5291), (4186, 4477)]