18813564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{617}}^1$

素因数の和:656

約数の個数: 108

約数和(自身を含む): 59837232

約数和(自身を除く): 41023668

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 121, 126, 132, 154, 198, 231, 242, 252, 308, 363, 396, 462, 484, 617, 693, 726, 847, 924, 1089, 1234, 1386, 1452, 1694, 1851, 2178, 2468, 2541, 2772, 3388, 3702, 4319, 4356, 5082, 5553, 6787, 7404, 7623, 8638, 10164, 11106, 12957, 13574, 15246, 17276, 20361, 22212, 25914, 27148, 30492, 38871, 40722, 47509, 51828, 61083, 74657, 77742, 81444, 95018, 122166, 142527, 149314, 155484, 190036, 223971, 244332, 285054, 298628, 427581, 447942, 522599, 570108, 671913, 855162, 895884, 1045198, 1343826, 1567797, 1710324, 2090396, 2687652, 3135594, 4703391, 6271188, 9406782, 18813564]

約数ペア:

[(1, 18813564), (2, 9406782), (3, 6271188), (4, 4703391), (6, 3135594), (7, 2687652), (9, 2090396), (11, 1710324), (12, 1567797), (14, 1343826), (18, 1045198), (21, 895884), (22, 855162), (28, 671913), (33, 570108), (36, 522599), (42, 447942), (44, 427581), (63, 298628), (66, 285054), (77, 244332), (84, 223971), (99, 190036), (121, 155484), (126, 149314), (132, 142527), (154, 122166), (198, 95018), (231, 81444), (242, 77742), (252, 74657), (308, 61083), (363, 51828), (396, 47509), (462, 40722), (484, 38871), (617, 30492), (693, 27148), (726, 25914), (847, 22212), (924, 20361), (1089, 17276), (1234, 15246), (1386, 13574), (1452, 12957), (1694, 11106), (1851, 10164), (2178, 8638), (2468, 7623), (2541, 7404), (2772, 6787), (3388, 5553), (3702, 5082), (4319, 4356)]