18613739

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 20210688

約数和(自身を除く): 1596949

約数列:

[1, 23, 47, 67, 257, 1081, 1541, 3149, 5911, 12079, 17219, 72427, 277817, 396037, 809293, 18613739]

約数ペア:

[(1, 18613739), (23, 809293), (47, 396037), (67, 277817), (257, 72427), (1081, 17219), (1541, 12079), (3149, 5911)]