19045520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18313}}^1$

素因数の和:18339

約数の個数: 40

約数和(自身を含む): 47689656

約数和(自身を除く): 28644136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 18313, 36626, 73252, 91565, 146504, 183130, 238069, 293008, 366260, 476138, 732520, 952276, 1190345, 1465040, 1904552, 2380690, 3809104, 4761380, 9522760, 19045520]

約数ペア:

[(1, 19045520), (2, 9522760), (4, 4761380), (5, 3809104), (8, 2380690), (10, 1904552), (13, 1465040), (16, 1190345), (20, 952276), (26, 732520), (40, 476138), (52, 366260), (65, 293008), (80, 238069), (104, 183130), (130, 146504), (208, 91565), (260, 73252), (520, 36626), (1040, 18313)]