18023390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 23033890

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 89, 110, 154, 178, 263, 385, 445, 526, 623, 770, 890, 979, 1246, 1315, 1841, 1958, 2630, 2893, 3115, 3682, 4895, 5786, 6230, 6853, 9205, 9790, 13706, 14465, 18410, 20251, 23407, 28930, 34265, 40502, 46814, 68530, 101255, 117035, 163849, 202510, 234070, 257477, 327698, 514954, 819245, 1287385, 1638490, 1802339, 2574770, 3604678, 9011695, 18023390]

約数ペア:

[(1, 18023390), (2, 9011695), (5, 3604678), (7, 2574770), (10, 1802339), (11, 1638490), (14, 1287385), (22, 819245), (35, 514954), (55, 327698), (70, 257477), (77, 234070), (89, 202510), (110, 163849), (154, 117035), (178, 101255), (263, 68530), (385, 46814), (445, 40502), (526, 34265), (623, 28930), (770, 23407), (890, 20251), (979, 18410), (1246, 14465), (1315, 13706), (1841, 9790), (1958, 9205), (2630, 6853), (2893, 6230), (3115, 5786), (3682, 4895)]