18354483

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 32348160

約数和(自身を除く): 13993677

約数列:

[1, 3, 7, 9, 21, 23, 53, 63, 69, 159, 161, 207, 239, 371, 477, 483, 717, 1113, 1219, 1449, 1673, 2151, 3339, 3657, 5019, 5497, 8533, 10971, 12667, 15057, 16491, 25599, 38001, 38479, 49473, 76797, 88669, 114003, 115437, 266007, 291341, 346311, 798021, 874023, 2039387, 2622069, 6118161, 18354483]

約数ペア:

[(1, 18354483), (3, 6118161), (7, 2622069), (9, 2039387), (21, 874023), (23, 798021), (53, 346311), (63, 291341), (69, 266007), (159, 115437), (161, 114003), (207, 88669), (239, 76797), (371, 49473), (477, 38479), (483, 38001), (717, 25599), (1113, 16491), (1219, 15057), (1449, 12667), (1673, 10971), (2151, 8533), (3339, 5497), (3657, 5019)]