19722320

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8501}}^1$

素因数の和:8543

約数の個数: 40

約数和(自身を含む): 47441160

約数和(自身を除く): 27718840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8501, 17002, 34004, 42505, 68008, 85010, 136016, 170020, 246529, 340040, 493058, 680080, 986116, 1232645, 1972232, 2465290, 3944464, 4930580, 9861160, 19722320]

約数ペア:

[(1, 19722320), (2, 9861160), (4, 4930580), (5, 3944464), (8, 2465290), (10, 1972232), (16, 1232645), (20, 986116), (29, 680080), (40, 493058), (58, 340040), (80, 246529), (116, 170020), (145, 136016), (232, 85010), (290, 68008), (464, 42505), (580, 34004), (1160, 17002), (2320, 8501)]