19828740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3407}}^1$

素因数の和:3516

約数の個数: 48

約数和(自身を含む): 56109312

約数和(自身を除く): 36280572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 3407, 5820, 6814, 10221, 13628, 17035, 20442, 34070, 40884, 51105, 68140, 102210, 204420, 330479, 660958, 991437, 1321916, 1652395, 1982874, 3304790, 3965748, 4957185, 6609580, 9914370, 19828740]

約数ペア:

[(1, 19828740), (2, 9914370), (3, 6609580), (4, 4957185), (5, 3965748), (6, 3304790), (10, 1982874), (12, 1652395), (15, 1321916), (20, 991437), (30, 660958), (60, 330479), (97, 204420), (194, 102210), (291, 68140), (388, 51105), (485, 40884), (582, 34070), (970, 20442), (1164, 17035), (1455, 13628), (1940, 10221), (2910, 6814), (3407, 5820)]