19840402

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1\times {\mathrm{607}}^1$

素因数の和:945

約数の個数: 16

約数和(自身を含む): 30424320

約数和(自身を除く): 10583918

約数列:

[1, 2, 59, 118, 277, 554, 607, 1214, 16343, 32686, 35813, 71626, 168139, 336278, 9920201, 19840402]

約数ペア:

[(1, 19840402), (2, 9920201), (59, 336278), (118, 168139), (277, 71626), (554, 35813), (607, 32686), (1214, 16343)]