19699136

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{9929}}^1$

素因数の和:9972

約数の個数: 28

約数和(自身を含む): 40355520

約数和(自身を除く): 20656384

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 9929, 19858, 39716, 79432, 158864, 307799, 317728, 615598, 635456, 1231196, 2462392, 4924784, 9849568, 19699136]

約数ペア:

[(1, 19699136), (2, 9849568), (4, 4924784), (8, 2462392), (16, 1231196), (31, 635456), (32, 615598), (62, 317728), (64, 307799), (124, 158864), (248, 79432), (496, 39716), (992, 19858), (1984, 9929)]