18228912

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 51330048

約数和(自身を除く): 33101136

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 131, 156, 208, 223, 262, 312, 393, 446, 524, 624, 669, 786, 892, 1048, 1338, 1572, 1703, 1784, 2096, 2676, 2899, 3144, 3406, 3568, 5109, 5352, 5798, 6288, 6812, 8697, 10218, 10704, 11596, 13624, 17394, 20436, 23192, 27248, 29213, 34788, 40872, 46384, 58426, 69576, 81744, 87639, 116852, 139152, 175278, 233704, 350556, 379769, 467408, 701112, 759538, 1139307, 1402224, 1519076, 2278614, 3038152, 4557228, 6076304, 9114456, 18228912]

約数ペア:

[(1, 18228912), (2, 9114456), (3, 6076304), (4, 4557228), (6, 3038152), (8, 2278614), (12, 1519076), (13, 1402224), (16, 1139307), (24, 759538), (26, 701112), (39, 467408), (48, 379769), (52, 350556), (78, 233704), (104, 175278), (131, 139152), (156, 116852), (208, 87639), (223, 81744), (262, 69576), (312, 58426), (393, 46384), (446, 40872), (524, 34788), (624, 29213), (669, 27248), (786, 23192), (892, 20436), (1048, 17394), (1338, 13624), (1572, 11596), (1703, 10704), (1784, 10218), (2096, 8697), (2676, 6812), (2899, 6288), (3144, 5798), (3406, 5352), (3568, 5109)]