18153568

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 19102112

約数列:

[1, 2, 4, 8, 16, 32, 43, 79, 86, 158, 167, 172, 316, 334, 344, 632, 668, 688, 1264, 1336, 1376, 2528, 2672, 3397, 5344, 6794, 7181, 13193, 13588, 14362, 26386, 27176, 28724, 52772, 54352, 57448, 105544, 108704, 114896, 211088, 229792, 422176, 567299, 1134598, 2269196, 4538392, 9076784, 18153568]

約数ペア:

[(1, 18153568), (2, 9076784), (4, 4538392), (8, 2269196), (16, 1134598), (32, 567299), (43, 422176), (79, 229792), (86, 211088), (158, 114896), (167, 108704), (172, 105544), (316, 57448), (334, 54352), (344, 52772), (632, 28724), (668, 27176), (688, 26386), (1264, 14362), (1336, 13588), (1376, 13193), (2528, 7181), (2672, 6794), (3397, 5344)]