19828438

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 38085120

約数和(自身を除く): 18256682

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 49, 98, 133, 161, 266, 322, 437, 463, 874, 926, 931, 1127, 1862, 2254, 3059, 3241, 6118, 6482, 8797, 10649, 17594, 21298, 21413, 22687, 42826, 45374, 61579, 74543, 123158, 149086, 202331, 404662, 431053, 521801, 862106, 1043602, 1416317, 2832634, 9914219, 19828438]

約数ペア:

[(1, 19828438), (2, 9914219), (7, 2832634), (14, 1416317), (19, 1043602), (23, 862106), (38, 521801), (46, 431053), (49, 404662), (98, 202331), (133, 149086), (161, 123158), (266, 74543), (322, 61579), (437, 45374), (463, 42826), (874, 22687), (926, 21413), (931, 21298), (1127, 17594), (1862, 10649), (2254, 8797), (3059, 6482), (3241, 6118)]