18664506

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:281

約数の個数: 80

約数和(自身を含む): 48554880

約数和(自身を除く): 29890374

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 109, 126, 151, 162, 189, 218, 302, 327, 378, 453, 567, 654, 763, 906, 981, 1057, 1134, 1359, 1526, 1962, 2114, 2289, 2718, 2943, 3171, 4077, 4578, 5886, 6342, 6867, 8154, 8829, 9513, 12231, 13734, 16459, 17658, 19026, 20601, 24462, 28539, 32918, 41202, 49377, 57078, 61803, 85617, 98754, 115213, 123606, 148131, 171234, 230426, 296262, 345639, 444393, 691278, 888786, 1036917, 1333179, 2073834, 2666358, 3110751, 6221502, 9332253, 18664506]

約数ペア:

[(1, 18664506), (2, 9332253), (3, 6221502), (6, 3110751), (7, 2666358), (9, 2073834), (14, 1333179), (18, 1036917), (21, 888786), (27, 691278), (42, 444393), (54, 345639), (63, 296262), (81, 230426), (109, 171234), (126, 148131), (151, 123606), (162, 115213), (189, 98754), (218, 85617), (302, 61803), (327, 57078), (378, 49377), (453, 41202), (567, 32918), (654, 28539), (763, 24462), (906, 20601), (981, 19026), (1057, 17658), (1134, 16459), (1359, 13734), (1526, 12231), (1962, 9513), (2114, 8829), (2289, 8154), (2718, 6867), (2943, 6342), (3171, 5886), (4077, 4578)]