18031792

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{26209}}^1$

素因数の和:26260

約数の個数: 20

約数和(自身を含む): 35750440

約数和(自身を除く): 17718648

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 26209, 52418, 104836, 209672, 419344, 1126987, 2253974, 4507948, 9015896, 18031792]

約数ペア:

[(1, 18031792), (2, 9015896), (4, 4507948), (8, 2253974), (16, 1126987), (43, 419344), (86, 209672), (172, 104836), (344, 52418), (688, 26209)]