18253872

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 180

約数和(自身を含む): 64318800

約数和(自身を除く): 46064928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 49, 52, 56, 63, 72, 78, 84, 91, 98, 104, 112, 117, 126, 144, 147, 156, 168, 182, 196, 199, 208, 234, 252, 273, 294, 312, 336, 364, 392, 398, 441, 468, 504, 546, 588, 597, 624, 637, 728, 784, 796, 819, 882, 936, 1008, 1092, 1176, 1194, 1274, 1393, 1456, 1592, 1638, 1764, 1791, 1872, 1911, 2184, 2352, 2388, 2548, 2587, 2786, 3184, 3276, 3528, 3582, 3822, 4179, 4368, 4776, 5096, 5174, 5572, 5733, 6552, 7056, 7164, 7644, 7761, 8358, 9552, 9751, 10192, 10348, 11144, 11466, 12537, 13104, 14328, 15288, 15522, 16716, 18109, 19502, 20696, 22288, 22932, 23283, 25074, 28656, 29253, 30576, 31044, 33432, 36218, 39004, 41392, 45864, 46566, 50148, 54327, 58506, 62088, 66864, 72436, 78008, 87759, 91728, 93132, 100296, 108654, 117012, 124176, 126763, 144872, 156016, 162981, 175518, 186264, 200592, 217308, 234024, 253526, 289744, 325962, 351036, 372528, 380289, 434616, 468048, 507052, 651924, 702072, 760578, 869232, 1014104, 1140867, 1303848, 1404144, 1521156, 2028208, 2281734, 2607696, 3042312, 4563468, 6084624, 9126936, 18253872]

約数ペア:

[(1, 18253872), (2, 9126936), (3, 6084624), (4, 4563468), (6, 3042312), (7, 2607696), (8, 2281734), (9, 2028208), (12, 1521156), (13, 1404144), (14, 1303848), (16, 1140867), (18, 1014104), (21, 869232), (24, 760578), (26, 702072), (28, 651924), (36, 507052), (39, 468048), (42, 434616), (48, 380289), (49, 372528), (52, 351036), (56, 325962), (63, 289744), (72, 253526), (78, 234024), (84, 217308), (91, 200592), (98, 186264), (104, 175518), (112, 162981), (117, 156016), (126, 144872), (144, 126763), (147, 124176), (156, 117012), (168, 108654), (182, 100296), (196, 93132), (199, 91728), (208, 87759), (234, 78008), (252, 72436), (273, 66864), (294, 62088), (312, 58506), (336, 54327), (364, 50148), (392, 46566), (398, 45864), (441, 41392), (468, 39004), (504, 36218), (546, 33432), (588, 31044), (597, 30576), (624, 29253), (637, 28656), (728, 25074), (784, 23283), (796, 22932), (819, 22288), (882, 20696), (936, 19502), (1008, 18109), (1092, 16716), (1176, 15522), (1194, 15288), (1274, 14328), (1393, 13104), (1456, 12537), (1592, 11466), (1638, 11144), (1764, 10348), (1791, 10192), (1872, 9751), (1911, 9552), (2184, 8358), (2352, 7761), (2388, 7644), (2548, 7164), (2587, 7056), (2786, 6552), (3184, 5733), (3276, 5572), (3528, 5174), (3582, 5096), (3822, 4776), (4179, 4368)]