19381136

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4373}}^1$

素因数の和:4658

約数の個数: 20

約数和(自身を含む): 37695132

約数和(自身を除く): 18313996

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4373, 4432, 8746, 17492, 34984, 69968, 1211321, 2422642, 4845284, 9690568, 19381136]

約数ペア:

[(1, 19381136), (2, 9690568), (4, 4845284), (8, 2422642), (16, 1211321), (277, 69968), (554, 34984), (1108, 17492), (2216, 8746), (4373, 4432)]