18147568

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 37577952

約数和(自身を除く): 19430384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 137, 272, 274, 487, 548, 974, 1096, 1948, 2192, 2329, 3896, 4658, 7792, 8279, 9316, 16558, 18632, 33116, 37264, 66232, 66719, 132464, 133438, 266876, 533752, 1067504, 1134223, 2268446, 4536892, 9073784, 18147568]

約数ペア:

[(1, 18147568), (2, 9073784), (4, 4536892), (8, 2268446), (16, 1134223), (17, 1067504), (34, 533752), (68, 266876), (136, 133438), (137, 132464), (272, 66719), (274, 66232), (487, 37264), (548, 33116), (974, 18632), (1096, 16558), (1948, 9316), (2192, 8279), (2329, 7792), (3896, 4658)]