2019383888

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{19699}}^1$

素因数の和:19899

約数の個数: 40

約数和(自身を含む): 4030620000

約数和(自身を除く): 2011236112

約数列:

[1, 2, 4, 8, 16, 43, 86, 149, 172, 298, 344, 596, 688, 1192, 2384, 6407, 12814, 19699, 25628, 39398, 51256, 78796, 102512, 157592, 315184, 847057, 1694114, 2935151, 3388228, 5870302, 6776456, 11740604, 13552912, 23481208, 46962416, 126211493, 252422986, 504845972, 1009691944, 2019383888]

約数ペア:

[(1, 2019383888), (2, 1009691944), (4, 504845972), (8, 252422986), (16, 126211493), (43, 46962416), (86, 23481208), (149, 13552912), (172, 11740604), (298, 6776456), (344, 5870302), (596, 3388228), (688, 2935151), (1192, 1694114), (2384, 847057), (6407, 315184), (12814, 157592), (19699, 102512), (25628, 78796), (39398, 51256)]