18698464

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 38320128

約数和(自身を除く): 19621664

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 107, 127, 172, 214, 254, 344, 428, 508, 688, 856, 1016, 1376, 1712, 2032, 3424, 4064, 4601, 5461, 9202, 10922, 13589, 18404, 21844, 27178, 36808, 43688, 54356, 73616, 87376, 108712, 147232, 174752, 217424, 434848, 584327, 1168654, 2337308, 4674616, 9349232, 18698464]

約数ペア:

[(1, 18698464), (2, 9349232), (4, 4674616), (8, 2337308), (16, 1168654), (32, 584327), (43, 434848), (86, 217424), (107, 174752), (127, 147232), (172, 108712), (214, 87376), (254, 73616), (344, 54356), (428, 43688), (508, 36808), (688, 27178), (856, 21844), (1016, 18404), (1376, 13589), (1712, 10922), (2032, 9202), (3424, 5461), (4064, 4601)]