19069808

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17789}}^1$

素因数の和:17864

約数の個数: 20

約数和(自身を含む): 37501320

約数和(自身を除く): 18431512

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17789, 35578, 71156, 142312, 284624, 1191863, 2383726, 4767452, 9534904, 19069808]

約数ペア:

[(1, 19069808), (2, 9534904), (4, 4767452), (8, 2383726), (16, 1191863), (67, 284624), (134, 142312), (268, 71156), (536, 35578), (1072, 17789)]