18999864

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 37609416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 53, 72, 78, 104, 106, 117, 156, 159, 212, 234, 312, 318, 383, 424, 468, 477, 636, 689, 766, 936, 954, 1149, 1272, 1378, 1532, 1908, 2067, 2298, 2756, 3064, 3447, 3816, 4134, 4596, 4979, 5512, 6201, 6894, 8268, 9192, 9958, 12402, 13788, 14937, 16536, 19916, 20299, 24804, 27576, 29874, 39832, 40598, 44811, 49608, 59748, 60897, 81196, 89622, 119496, 121794, 162392, 179244, 182691, 243588, 263887, 358488, 365382, 487176, 527774, 730764, 791661, 1055548, 1461528, 1583322, 2111096, 2374983, 3166644, 4749966, 6333288, 9499932, 18999864]

約数ペア:

[(1, 18999864), (2, 9499932), (3, 6333288), (4, 4749966), (6, 3166644), (8, 2374983), (9, 2111096), (12, 1583322), (13, 1461528), (18, 1055548), (24, 791661), (26, 730764), (36, 527774), (39, 487176), (52, 365382), (53, 358488), (72, 263887), (78, 243588), (104, 182691), (106, 179244), (117, 162392), (156, 121794), (159, 119496), (212, 89622), (234, 81196), (312, 60897), (318, 59748), (383, 49608), (424, 44811), (468, 40598), (477, 39832), (636, 29874), (689, 27576), (766, 24804), (936, 20299), (954, 19916), (1149, 16536), (1272, 14937), (1378, 13788), (1532, 12402), (1908, 9958), (2067, 9192), (2298, 8268), (2756, 6894), (3064, 6201), (3447, 5512), (3816, 4979), (4134, 4596)]