19704592

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39727}}^1$

素因数の和:39766

約数の個数: 20

約数和(自身を含む): 39410176

約数和(自身を除く): 19705584

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39727, 79454, 158908, 317816, 635632, 1231537, 2463074, 4926148, 9852296, 19704592]

約数ペア:

[(1, 19704592), (2, 9852296), (4, 4926148), (8, 2463074), (16, 1231537), (31, 635632), (62, 317816), (124, 158908), (248, 79454), (496, 39727)]