18850464

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 57886920

約数和(自身を除く): 39036456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 37, 48, 58, 61, 72, 74, 87, 96, 111, 116, 122, 144, 148, 174, 183, 222, 232, 244, 261, 288, 296, 333, 348, 366, 444, 464, 488, 522, 549, 592, 666, 696, 732, 888, 928, 976, 1044, 1073, 1098, 1184, 1332, 1392, 1464, 1769, 1776, 1952, 2088, 2146, 2196, 2257, 2664, 2784, 2928, 3219, 3538, 3552, 4176, 4292, 4392, 4514, 5307, 5328, 5856, 6438, 6771, 7076, 8352, 8584, 8784, 9028, 9657, 10614, 10656, 12876, 13542, 14152, 15921, 17168, 17568, 18056, 19314, 20313, 21228, 25752, 27084, 28304, 31842, 34336, 36112, 38628, 40626, 42456, 51504, 54168, 56608, 63684, 65453, 72224, 77256, 81252, 84912, 103008, 108336, 127368, 130906, 154512, 162504, 169824, 196359, 216672, 254736, 261812, 309024, 325008, 392718, 509472, 523624, 589077, 650016, 785436, 1047248, 1178154, 1570872, 2094496, 2356308, 3141744, 4712616, 6283488, 9425232, 18850464]

約数ペア:

[(1, 18850464), (2, 9425232), (3, 6283488), (4, 4712616), (6, 3141744), (8, 2356308), (9, 2094496), (12, 1570872), (16, 1178154), (18, 1047248), (24, 785436), (29, 650016), (32, 589077), (36, 523624), (37, 509472), (48, 392718), (58, 325008), (61, 309024), (72, 261812), (74, 254736), (87, 216672), (96, 196359), (111, 169824), (116, 162504), (122, 154512), (144, 130906), (148, 127368), (174, 108336), (183, 103008), (222, 84912), (232, 81252), (244, 77256), (261, 72224), (288, 65453), (296, 63684), (333, 56608), (348, 54168), (366, 51504), (444, 42456), (464, 40626), (488, 38628), (522, 36112), (549, 34336), (592, 31842), (666, 28304), (696, 27084), (732, 25752), (888, 21228), (928, 20313), (976, 19314), (1044, 18056), (1073, 17568), (1098, 17168), (1184, 15921), (1332, 14152), (1392, 13542), (1464, 12876), (1769, 10656), (1776, 10614), (1952, 9657), (2088, 9028), (2146, 8784), (2196, 8584), (2257, 8352), (2664, 7076), (2784, 6771), (2928, 6438), (3219, 5856), (3538, 5328), (3552, 5307), (4176, 4514), (4292, 4392)]