18191208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 56448000

約数和(自身を除く): 38256792

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 41, 42, 56, 57, 76, 82, 84, 114, 123, 133, 139, 152, 164, 168, 228, 246, 266, 278, 287, 328, 399, 417, 456, 492, 532, 556, 574, 779, 798, 834, 861, 973, 984, 1064, 1112, 1148, 1558, 1596, 1668, 1722, 1946, 2296, 2337, 2641, 2919, 3116, 3192, 3336, 3444, 3892, 4674, 5282, 5453, 5699, 5838, 6232, 6888, 7784, 7923, 9348, 10564, 10906, 11398, 11676, 15846, 16359, 17097, 18487, 18696, 21128, 21812, 22796, 23352, 31692, 32718, 34194, 36974, 39893, 43624, 45592, 55461, 63384, 65436, 68388, 73948, 79786, 108281, 110922, 119679, 130872, 136776, 147896, 159572, 216562, 221844, 239358, 319144, 324843, 433124, 443688, 478716, 649686, 757967, 866248, 957432, 1299372, 1515934, 2273901, 2598744, 3031868, 4547802, 6063736, 9095604, 18191208]

約数ペア:

[(1, 18191208), (2, 9095604), (3, 6063736), (4, 4547802), (6, 3031868), (7, 2598744), (8, 2273901), (12, 1515934), (14, 1299372), (19, 957432), (21, 866248), (24, 757967), (28, 649686), (38, 478716), (41, 443688), (42, 433124), (56, 324843), (57, 319144), (76, 239358), (82, 221844), (84, 216562), (114, 159572), (123, 147896), (133, 136776), (139, 130872), (152, 119679), (164, 110922), (168, 108281), (228, 79786), (246, 73948), (266, 68388), (278, 65436), (287, 63384), (328, 55461), (399, 45592), (417, 43624), (456, 39893), (492, 36974), (532, 34194), (556, 32718), (574, 31692), (779, 23352), (798, 22796), (834, 21812), (861, 21128), (973, 18696), (984, 18487), (1064, 17097), (1112, 16359), (1148, 15846), (1558, 11676), (1596, 11398), (1668, 10906), (1722, 10564), (1946, 9348), (2296, 7923), (2337, 7784), (2641, 6888), (2919, 6232), (3116, 5838), (3192, 5699), (3336, 5453), (3444, 5282), (3892, 4674)]