18654304

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:727

約数の個数: 48

約数和(自身を含む): 39680928

約数和(自身を除く): 21026624

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 53, 68, 106, 136, 212, 272, 424, 544, 647, 848, 901, 1294, 1696, 1802, 2588, 3604, 5176, 7208, 10352, 10999, 14416, 20704, 21998, 28832, 34291, 43996, 68582, 87992, 137164, 175984, 274328, 351968, 548656, 582947, 1097312, 1165894, 2331788, 4663576, 9327152, 18654304]

約数ペア:

[(1, 18654304), (2, 9327152), (4, 4663576), (8, 2331788), (16, 1165894), (17, 1097312), (32, 582947), (34, 548656), (53, 351968), (68, 274328), (106, 175984), (136, 137164), (212, 87992), (272, 68582), (424, 43996), (544, 34291), (647, 28832), (848, 21998), (901, 20704), (1294, 14416), (1696, 10999), (1802, 10352), (2588, 7208), (3604, 5176)]