19986752

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{2459}}^1$

素因数の和:2598

約数の個数: 28

約数和(自身を含む): 39989760

約数和(自身を除く): 20003008

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 2459, 4064, 4918, 8128, 9836, 19672, 39344, 78688, 157376, 312293, 624586, 1249172, 2498344, 4996688, 9993376, 19986752]

約数ペア:

[(1, 19986752), (2, 9993376), (4, 4996688), (8, 2498344), (16, 1249172), (32, 624586), (64, 312293), (127, 157376), (254, 78688), (508, 39344), (1016, 19672), (2032, 9836), (2459, 8128), (4064, 4918)]