18880008

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2741}}^1$

素因数の和:2798

約数の個数: 64

約数和(自身を含む): 55278720

約数和(自身を除く): 36398712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 123, 164, 168, 246, 287, 328, 492, 574, 861, 984, 1148, 1722, 2296, 2741, 3444, 5482, 6888, 8223, 10964, 16446, 19187, 21928, 32892, 38374, 57561, 65784, 76748, 112381, 115122, 153496, 224762, 230244, 337143, 449524, 460488, 674286, 786667, 899048, 1348572, 1573334, 2360001, 2697144, 3146668, 4720002, 6293336, 9440004, 18880008]

約数ペア:

[(1, 18880008), (2, 9440004), (3, 6293336), (4, 4720002), (6, 3146668), (7, 2697144), (8, 2360001), (12, 1573334), (14, 1348572), (21, 899048), (24, 786667), (28, 674286), (41, 460488), (42, 449524), (56, 337143), (82, 230244), (84, 224762), (123, 153496), (164, 115122), (168, 112381), (246, 76748), (287, 65784), (328, 57561), (492, 38374), (574, 32892), (861, 21928), (984, 19187), (1148, 16446), (1722, 10964), (2296, 8223), (2741, 6888), (3444, 5482)]