19788748

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{5939}}^1$

素因数の和:5974

約数の個数: 36

約数和(自身を含む): 42661080

約数和(自身を除く): 22872332

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 476, 833, 1666, 3332, 5939, 11878, 23756, 41573, 83146, 100963, 166292, 201926, 291011, 403852, 582022, 706741, 1164044, 1413482, 2826964, 4947187, 9894374, 19788748]

約数ペア:

[(1, 19788748), (2, 9894374), (4, 4947187), (7, 2826964), (14, 1413482), (17, 1164044), (28, 706741), (34, 582022), (49, 403852), (68, 291011), (98, 201926), (119, 166292), (196, 100963), (238, 83146), (476, 41573), (833, 23756), (1666, 11878), (3332, 5939)]