19991304

素因数分解:

$2^3\times 3^2\times {\mathrm{277657}}^1$

素因数の和:277669

約数の個数: 24

約数和(自身を含む): 54143310

約数和(自身を除く): 34152006

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 277657, 555314, 832971, 1110628, 1665942, 2221256, 2498913, 3331884, 4997826, 6663768, 9995652, 19991304]

約数ペア:

[(1, 19991304), (2, 9995652), (3, 6663768), (4, 4997826), (6, 3331884), (8, 2498913), (9, 2221256), (12, 1665942), (18, 1110628), (24, 832971), (36, 555314), (72, 277657)]