18675664

素因数分解:

$2^4\times 7^3\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:153

約数の個数: 80

約数和(自身を含む): 43747200

約数和(自身を除く): 25071536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 49, 56, 82, 83, 98, 112, 164, 166, 196, 287, 328, 332, 343, 392, 574, 581, 656, 664, 686, 784, 1148, 1162, 1328, 1372, 2009, 2296, 2324, 2744, 3403, 4018, 4067, 4592, 4648, 5488, 6806, 8036, 8134, 9296, 13612, 14063, 16072, 16268, 23821, 27224, 28126, 28469, 32144, 32536, 47642, 54448, 56252, 56938, 65072, 95284, 112504, 113876, 166747, 190568, 225008, 227752, 333494, 381136, 455504, 666988, 1167229, 1333976, 2334458, 2667952, 4668916, 9337832, 18675664]

約数ペア:

[(1, 18675664), (2, 9337832), (4, 4668916), (7, 2667952), (8, 2334458), (14, 1333976), (16, 1167229), (28, 666988), (41, 455504), (49, 381136), (56, 333494), (82, 227752), (83, 225008), (98, 190568), (112, 166747), (164, 113876), (166, 112504), (196, 95284), (287, 65072), (328, 56938), (332, 56252), (343, 54448), (392, 47642), (574, 32536), (581, 32144), (656, 28469), (664, 28126), (686, 27224), (784, 23821), (1148, 16268), (1162, 16072), (1328, 14063), (1372, 13612), (2009, 9296), (2296, 8134), (2324, 8036), (2744, 6806), (3403, 5488), (4018, 4648), (4067, 4592)]