19965184

素因数分解:

$2^8\times {\mathrm{167}}^1\times {\mathrm{467}}^1$

素因数の和:650

約数の個数: 36

約数和(自身を含む): 40176864

約数和(自身を除く): 20211680

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 167, 256, 334, 467, 668, 934, 1336, 1868, 2672, 3736, 5344, 7472, 10688, 14944, 21376, 29888, 42752, 59776, 77989, 119552, 155978, 311956, 623912, 1247824, 2495648, 4991296, 9982592, 19965184]

約数ペア:

[(1, 19965184), (2, 9982592), (4, 4991296), (8, 2495648), (16, 1247824), (32, 623912), (64, 311956), (128, 155978), (167, 119552), (256, 77989), (334, 59776), (467, 42752), (668, 29888), (934, 21376), (1336, 14944), (1868, 10688), (2672, 7472), (3736, 5344)]