18705348

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 55036800

約数和(自身を除く): 36331452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 29, 36, 38, 41, 46, 57, 58, 69, 76, 82, 87, 92, 114, 116, 123, 138, 164, 171, 174, 207, 228, 246, 261, 276, 342, 348, 369, 414, 437, 492, 522, 551, 667, 684, 738, 779, 828, 874, 943, 1044, 1102, 1189, 1311, 1334, 1476, 1558, 1653, 1748, 1886, 2001, 2204, 2337, 2378, 2622, 2668, 2829, 3116, 3306, 3567, 3772, 3933, 4002, 4674, 4756, 4959, 5244, 5658, 6003, 6612, 7011, 7134, 7866, 8004, 8487, 9348, 9918, 10701, 11316, 12006, 12673, 14022, 14268, 15732, 16974, 17917, 19836, 21402, 22591, 24012, 25346, 27347, 28044, 33948, 35834, 38019, 42804, 45182, 50692, 53751, 54694, 67773, 71668, 76038, 82041, 90364, 107502, 109388, 114057, 135546, 152076, 161253, 164082, 203319, 215004, 228114, 246123, 271092, 322506, 328164, 406638, 456228, 492246, 519593, 645012, 813276, 984492, 1039186, 1558779, 2078372, 3117558, 4676337, 6235116, 9352674, 18705348]

約数ペア:

[(1, 18705348), (2, 9352674), (3, 6235116), (4, 4676337), (6, 3117558), (9, 2078372), (12, 1558779), (18, 1039186), (19, 984492), (23, 813276), (29, 645012), (36, 519593), (38, 492246), (41, 456228), (46, 406638), (57, 328164), (58, 322506), (69, 271092), (76, 246123), (82, 228114), (87, 215004), (92, 203319), (114, 164082), (116, 161253), (123, 152076), (138, 135546), (164, 114057), (171, 109388), (174, 107502), (207, 90364), (228, 82041), (246, 76038), (261, 71668), (276, 67773), (342, 54694), (348, 53751), (369, 50692), (414, 45182), (437, 42804), (492, 38019), (522, 35834), (551, 33948), (667, 28044), (684, 27347), (738, 25346), (779, 24012), (828, 22591), (874, 21402), (943, 19836), (1044, 17917), (1102, 16974), (1189, 15732), (1311, 14268), (1334, 14022), (1476, 12673), (1558, 12006), (1653, 11316), (1748, 10701), (1886, 9918), (2001, 9348), (2204, 8487), (2337, 8004), (2378, 7866), (2622, 7134), (2668, 7011), (2829, 6612), (3116, 6003), (3306, 5658), (3567, 5244), (3772, 4959), (3933, 4756), (4002, 4674)]