18339516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 50450400

約数和(自身を除く): 32110884

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 149, 156, 234, 263, 298, 447, 468, 526, 596, 789, 894, 1052, 1341, 1578, 1788, 1937, 2367, 2682, 3156, 3419, 3874, 4734, 5364, 5811, 6838, 7748, 9468, 10257, 11622, 13676, 17433, 20514, 23244, 30771, 34866, 39187, 41028, 61542, 69732, 78374, 117561, 123084, 156748, 235122, 352683, 470244, 509431, 705366, 1018862, 1410732, 1528293, 2037724, 3056586, 4584879, 6113172, 9169758, 18339516]

約数ペア:

[(1, 18339516), (2, 9169758), (3, 6113172), (4, 4584879), (6, 3056586), (9, 2037724), (12, 1528293), (13, 1410732), (18, 1018862), (26, 705366), (36, 509431), (39, 470244), (52, 352683), (78, 235122), (117, 156748), (149, 123084), (156, 117561), (234, 78374), (263, 69732), (298, 61542), (447, 41028), (468, 39187), (526, 34866), (596, 30771), (789, 23244), (894, 20514), (1052, 17433), (1341, 13676), (1578, 11622), (1788, 10257), (1937, 9468), (2367, 7748), (2682, 6838), (3156, 5811), (3419, 5364), (3874, 4734)]