19115392

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 40930560

約数和(自身を除く): 21815168

約数列:

[1, 2, 4, 8, 16, 23, 32, 43, 46, 64, 86, 92, 128, 151, 172, 184, 302, 344, 368, 604, 688, 736, 989, 1208, 1376, 1472, 1978, 2416, 2752, 2944, 3473, 3956, 4832, 5504, 6493, 6946, 7912, 9664, 12986, 13892, 15824, 19328, 25972, 27784, 31648, 51944, 55568, 63296, 103888, 111136, 126592, 149339, 207776, 222272, 298678, 415552, 444544, 597356, 831104, 1194712, 2389424, 4778848, 9557696, 19115392]

約数ペア:

[(1, 19115392), (2, 9557696), (4, 4778848), (8, 2389424), (16, 1194712), (23, 831104), (32, 597356), (43, 444544), (46, 415552), (64, 298678), (86, 222272), (92, 207776), (128, 149339), (151, 126592), (172, 111136), (184, 103888), (302, 63296), (344, 55568), (368, 51944), (604, 31648), (688, 27784), (736, 25972), (989, 19328), (1208, 15824), (1376, 13892), (1472, 12986), (1978, 9664), (2416, 7912), (2752, 6946), (2944, 6493), (3473, 5504), (3956, 4832)]