18642872

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{17789}}^1$

素因数の和:17926

約数の個数: 16

約数和(自身を含む): 35224200

約数和(自身を除く): 16581328

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 17789, 35578, 71156, 142312, 2330359, 4660718, 9321436, 18642872]

約数ペア:

[(1, 18642872), (2, 9321436), (4, 4660718), (8, 2330359), (131, 142312), (262, 71156), (524, 35578), (1048, 17789)]