18845358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 45147648

約数和(自身を除く): 26302290

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 67, 74, 111, 134, 181, 201, 222, 259, 362, 402, 469, 518, 543, 777, 938, 1086, 1267, 1407, 1554, 2479, 2534, 2814, 3801, 4958, 6697, 7437, 7602, 12127, 13394, 14874, 17353, 20091, 24254, 34706, 36381, 40182, 46879, 52059, 72762, 84889, 93758, 104118, 140637, 169778, 254667, 281274, 448699, 509334, 897398, 1346097, 2692194, 3140893, 6281786, 9422679, 18845358]

約数ペア:

[(1, 18845358), (2, 9422679), (3, 6281786), (6, 3140893), (7, 2692194), (14, 1346097), (21, 897398), (37, 509334), (42, 448699), (67, 281274), (74, 254667), (111, 169778), (134, 140637), (181, 104118), (201, 93758), (222, 84889), (259, 72762), (362, 52059), (402, 46879), (469, 40182), (518, 36381), (543, 34706), (777, 24254), (938, 20091), (1086, 17353), (1267, 14874), (1407, 13394), (1554, 12127), (2479, 7602), (2534, 7437), (2814, 6697), (3801, 4958)]