19798816

素因数分解:

$2^5\times {\mathrm{131}}^1\times {\mathrm{4723}}^1$

素因数の和:4864

約数の個数: 24

約数和(自身を含む): 39284784

約数和(自身を除く): 19485968

約数列:

[1, 2, 4, 8, 16, 32, 131, 262, 524, 1048, 2096, 4192, 4723, 9446, 18892, 37784, 75568, 151136, 618713, 1237426, 2474852, 4949704, 9899408, 19798816]

約数ペア:

[(1, 19798816), (2, 9899408), (4, 4949704), (8, 2474852), (16, 1237426), (32, 618713), (131, 151136), (262, 75568), (524, 37784), (1048, 18892), (2096, 9446), (4192, 4723)]