12338890

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9419}}^1$

素因数の和:9557

約数の個数: 16

約数和(自身を含む): 22381920

約数和(自身を除く): 10043030

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 9419, 18838, 47095, 94190, 1233889, 2467778, 6169445, 12338890]

約数ペア:

[(1, 12338890), (2, 6169445), (5, 2467778), (10, 1233889), (131, 94190), (262, 47095), (655, 18838), (1310, 9419)]