19795880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38069}}^1$

素因数の和:38093

約数の個数: 32

約数和(自身を含む): 47968200

約数和(自身を除く): 28172320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38069, 76138, 152276, 190345, 304552, 380690, 494897, 761380, 989794, 1522760, 1979588, 2474485, 3959176, 4948970, 9897940, 19795880]

約数ペア:

[(1, 19795880), (2, 9897940), (4, 4948970), (5, 3959176), (8, 2474485), (10, 1979588), (13, 1522760), (20, 989794), (26, 761380), (40, 494897), (52, 380690), (65, 304552), (104, 190345), (130, 152276), (260, 76138), (520, 38069)]