19534864

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42101}}^1$

素因数の和:42138

約数の個数: 20

約数和(自身を含む): 39154860

約数和(自身を除く): 19619996

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42101, 84202, 168404, 336808, 673616, 1220929, 2441858, 4883716, 9767432, 19534864]

約数ペア:

[(1, 19534864), (2, 9767432), (4, 4883716), (8, 2441858), (16, 1220929), (29, 673616), (58, 336808), (116, 168404), (232, 84202), (464, 42101)]