18906836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{607}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 35750400

約数和(自身を除く): 16843564

約数列:

[1, 2, 4, 13, 26, 52, 599, 607, 1198, 1214, 2396, 2428, 7787, 7891, 15574, 15782, 31148, 31564, 363593, 727186, 1454372, 4726709, 9453418, 18906836]

約数ペア:

[(1, 18906836), (2, 9453418), (4, 4726709), (13, 1454372), (26, 727186), (52, 363593), (599, 31564), (607, 31148), (1198, 15782), (1214, 15574), (2396, 7891), (2428, 7787)]