18734272

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:353

約数の個数: 56

約数和(自身を含む): 40105584

約数和(自身を除く): 21371312

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 67, 68, 134, 136, 257, 268, 272, 514, 536, 544, 1028, 1072, 1088, 1139, 2056, 2144, 2278, 4112, 4288, 4369, 4556, 8224, 8738, 9112, 16448, 17219, 17476, 18224, 34438, 34952, 36448, 68876, 69904, 72896, 137752, 139808, 275504, 279616, 292723, 551008, 585446, 1102016, 1170892, 2341784, 4683568, 9367136, 18734272]

約数ペア:

[(1, 18734272), (2, 9367136), (4, 4683568), (8, 2341784), (16, 1170892), (17, 1102016), (32, 585446), (34, 551008), (64, 292723), (67, 279616), (68, 275504), (134, 139808), (136, 137752), (257, 72896), (268, 69904), (272, 68876), (514, 36448), (536, 34952), (544, 34438), (1028, 18224), (1072, 17476), (1088, 17219), (1139, 16448), (2056, 9112), (2144, 8738), (2278, 8224), (4112, 4556), (4288, 4369)]