18345628

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 38997504

約数和(自身を除く): 20651876

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 61, 92, 122, 161, 244, 322, 427, 467, 644, 854, 934, 1403, 1708, 1868, 2806, 3269, 5612, 6538, 9821, 10741, 13076, 19642, 21482, 28487, 39284, 42964, 56974, 75187, 113948, 150374, 199409, 300748, 398818, 655201, 797636, 1310402, 2620804, 4586407, 9172814, 18345628]

約数ペア:

[(1, 18345628), (2, 9172814), (4, 4586407), (7, 2620804), (14, 1310402), (23, 797636), (28, 655201), (46, 398818), (61, 300748), (92, 199409), (122, 150374), (161, 113948), (244, 75187), (322, 56974), (427, 42964), (467, 39284), (644, 28487), (854, 21482), (934, 19642), (1403, 13076), (1708, 10741), (1868, 9821), (2806, 6538), (3269, 5612)]