18123378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1747}}^1$

素因数の和:1791

約数の個数: 64

約数和(自身を含む): 46986240

約数和(自身を除く): 28862862

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 78, 91, 114, 133, 182, 247, 266, 273, 399, 494, 546, 741, 798, 1482, 1729, 1747, 3458, 3494, 5187, 5241, 10374, 10482, 12229, 22711, 24458, 33193, 36687, 45422, 66386, 68133, 73374, 99579, 136266, 158977, 199158, 232351, 317954, 431509, 464702, 476931, 697053, 863018, 953862, 1294527, 1394106, 2589054, 3020563, 6041126, 9061689, 18123378]

約数ペア:

[(1, 18123378), (2, 9061689), (3, 6041126), (6, 3020563), (7, 2589054), (13, 1394106), (14, 1294527), (19, 953862), (21, 863018), (26, 697053), (38, 476931), (39, 464702), (42, 431509), (57, 317954), (78, 232351), (91, 199158), (114, 158977), (133, 136266), (182, 99579), (247, 73374), (266, 68133), (273, 66386), (399, 45422), (494, 36687), (546, 33193), (741, 24458), (798, 22711), (1482, 12229), (1729, 10482), (1747, 10374), (3458, 5241), (3494, 5187)]