19809604

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{83939}}^1$

素因数の和:84002

約数の個数: 12

約数和(自身を含む): 35254800

約数和(自身を除く): 15445196

約数列:

[1, 2, 4, 59, 118, 236, 83939, 167878, 335756, 4952401, 9904802, 19809604]

約数ペア:

[(1, 19809604), (2, 9904802), (4, 4952401), (59, 335756), (118, 167878), (236, 83939)]