18772416

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 168

約数和(自身を含む): 61020960

約数和(自身を除く): 42248544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 32, 36, 39, 46, 48, 52, 64, 69, 72, 78, 92, 96, 104, 109, 117, 138, 144, 156, 184, 192, 207, 208, 218, 234, 276, 288, 299, 312, 327, 368, 414, 416, 436, 468, 552, 576, 598, 624, 654, 736, 828, 832, 872, 897, 936, 981, 1104, 1196, 1248, 1308, 1417, 1472, 1656, 1744, 1794, 1872, 1962, 2208, 2392, 2496, 2507, 2616, 2691, 2834, 3312, 3488, 3588, 3744, 3924, 4251, 4416, 4784, 5014, 5232, 5382, 5668, 6624, 6976, 7176, 7488, 7521, 7848, 8502, 9568, 10028, 10464, 10764, 11336, 12753, 13248, 14352, 15042, 15696, 17004, 19136, 20056, 20928, 21528, 22563, 22672, 25506, 28704, 30084, 31392, 32591, 34008, 40112, 43056, 45126, 45344, 51012, 57408, 60168, 62784, 65182, 68016, 80224, 86112, 90252, 90688, 97773, 102024, 120336, 130364, 136032, 160448, 172224, 180504, 195546, 204048, 240672, 260728, 272064, 293319, 361008, 391092, 408096, 481344, 521456, 586638, 722016, 782184, 816192, 1042912, 1173276, 1444032, 1564368, 2085824, 2346552, 3128736, 4693104, 6257472, 9386208, 18772416]

約数ペア:

[(1, 18772416), (2, 9386208), (3, 6257472), (4, 4693104), (6, 3128736), (8, 2346552), (9, 2085824), (12, 1564368), (13, 1444032), (16, 1173276), (18, 1042912), (23, 816192), (24, 782184), (26, 722016), (32, 586638), (36, 521456), (39, 481344), (46, 408096), (48, 391092), (52, 361008), (64, 293319), (69, 272064), (72, 260728), (78, 240672), (92, 204048), (96, 195546), (104, 180504), (109, 172224), (117, 160448), (138, 136032), (144, 130364), (156, 120336), (184, 102024), (192, 97773), (207, 90688), (208, 90252), (218, 86112), (234, 80224), (276, 68016), (288, 65182), (299, 62784), (312, 60168), (327, 57408), (368, 51012), (414, 45344), (416, 45126), (436, 43056), (468, 40112), (552, 34008), (576, 32591), (598, 31392), (624, 30084), (654, 28704), (736, 25506), (828, 22672), (832, 22563), (872, 21528), (897, 20928), (936, 20056), (981, 19136), (1104, 17004), (1196, 15696), (1248, 15042), (1308, 14352), (1417, 13248), (1472, 12753), (1656, 11336), (1744, 10764), (1794, 10464), (1872, 10028), (1962, 9568), (2208, 8502), (2392, 7848), (2496, 7521), (2507, 7488), (2616, 7176), (2691, 6976), (2834, 6624), (3312, 5668), (3488, 5382), (3588, 5232), (3744, 5014), (3924, 4784), (4251, 4416)]