18939472

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{20063}}^1$

素因数の和:20130

約数の個数: 20

約数和(自身を含む): 37319040

約数和(自身を除く): 18379568

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 20063, 40126, 80252, 160504, 321008, 1183717, 2367434, 4734868, 9469736, 18939472]

約数ペア:

[(1, 18939472), (2, 9469736), (4, 4734868), (8, 2367434), (16, 1183717), (59, 321008), (118, 160504), (236, 80252), (472, 40126), (944, 20063)]