18678616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 21963944

約数列:

[1, 2, 4, 8, 11, 22, 31, 41, 44, 62, 82, 88, 124, 164, 167, 248, 328, 334, 341, 451, 668, 682, 902, 1271, 1336, 1364, 1804, 1837, 2542, 2728, 3608, 3674, 5084, 5177, 6847, 7348, 10168, 10354, 13694, 13981, 14696, 20708, 27388, 27962, 41416, 54776, 55924, 56947, 75317, 111848, 113894, 150634, 212257, 227788, 301268, 424514, 455576, 602536, 849028, 1698056, 2334827, 4669654, 9339308, 18678616]

約数ペア:

[(1, 18678616), (2, 9339308), (4, 4669654), (8, 2334827), (11, 1698056), (22, 849028), (31, 602536), (41, 455576), (44, 424514), (62, 301268), (82, 227788), (88, 212257), (124, 150634), (164, 113894), (167, 111848), (248, 75317), (328, 56947), (334, 55924), (341, 54776), (451, 41416), (668, 27962), (682, 27388), (902, 20708), (1271, 14696), (1336, 13981), (1364, 13694), (1804, 10354), (1837, 10168), (2542, 7348), (2728, 6847), (3608, 5177), (3674, 5084)]