19612864

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{127}}^2$

素因数の和:285

約数の個数: 42

約数和(自身を含む): 41292780

約数和(自身を除く): 21679916

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 127, 152, 254, 304, 508, 608, 1016, 1216, 2032, 2413, 4064, 4826, 8128, 9652, 16129, 19304, 32258, 38608, 64516, 77216, 129032, 154432, 258064, 306451, 516128, 612902, 1032256, 1225804, 2451608, 4903216, 9806432, 19612864]

約数ペア:

[(1, 19612864), (2, 9806432), (4, 4903216), (8, 2451608), (16, 1225804), (19, 1032256), (32, 612902), (38, 516128), (64, 306451), (76, 258064), (127, 154432), (152, 129032), (254, 77216), (304, 64516), (508, 38608), (608, 32258), (1016, 19304), (1216, 16129), (2032, 9652), (2413, 8128), (4064, 4826)]