18739252

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21589}}^1$

素因数の和:21631

約数の個数: 24

約数和(自身を含む): 38689280

約数和(自身を除く): 19950028

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21589, 43178, 86356, 151123, 302246, 604492, 669259, 1338518, 2677036, 4684813, 9369626, 18739252]

約数ペア:

[(1, 18739252), (2, 9369626), (4, 4684813), (7, 2677036), (14, 1338518), (28, 669259), (31, 604492), (62, 302246), (124, 151123), (217, 86356), (434, 43178), (868, 21589)]