18035576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 38623200

約数和(自身を除く): 20587624

約数列:

[1, 2, 4, 8, 13, 26, 37, 43, 52, 74, 86, 104, 109, 148, 172, 218, 296, 344, 436, 481, 559, 872, 962, 1118, 1417, 1591, 1924, 2236, 2834, 3182, 3848, 4033, 4472, 4687, 5668, 6364, 8066, 9374, 11336, 12728, 16132, 18748, 20683, 32264, 37496, 41366, 52429, 60931, 82732, 104858, 121862, 165464, 173419, 209716, 243724, 346838, 419432, 487448, 693676, 1387352, 2254447, 4508894, 9017788, 18035576]

約数ペア:

[(1, 18035576), (2, 9017788), (4, 4508894), (8, 2254447), (13, 1387352), (26, 693676), (37, 487448), (43, 419432), (52, 346838), (74, 243724), (86, 209716), (104, 173419), (109, 165464), (148, 121862), (172, 104858), (218, 82732), (296, 60931), (344, 52429), (436, 41366), (481, 37496), (559, 32264), (872, 20683), (962, 18748), (1118, 16132), (1417, 12728), (1591, 11336), (1924, 9374), (2236, 8066), (2834, 6364), (3182, 5668), (3848, 4687), (4033, 4472)]