19797656

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{8563}}^1$

素因数の和:8603

約数の個数: 24

約数和(自身を含む): 39437220

約数和(自身を除く): 19639564

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 8563, 17126, 34252, 68504, 145571, 291142, 582284, 1164568, 2474707, 4949414, 9898828, 19797656]

約数ペア:

[(1, 19797656), (2, 9898828), (4, 4949414), (8, 2474707), (17, 1164568), (34, 582284), (68, 291142), (136, 145571), (289, 68504), (578, 34252), (1156, 17126), (2312, 8563)]