19866160

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8563}}^1$

素因数の和:8605

約数の個数: 40

約数和(自身を含む): 47787120

約数和(自身を除く): 27920960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8563, 17126, 34252, 42815, 68504, 85630, 137008, 171260, 248327, 342520, 496654, 685040, 993308, 1241635, 1986616, 2483270, 3973232, 4966540, 9933080, 19866160]

約数ペア:

[(1, 19866160), (2, 9933080), (4, 4966540), (5, 3973232), (8, 2483270), (10, 1986616), (16, 1241635), (20, 993308), (29, 685040), (40, 496654), (58, 342520), (80, 248327), (116, 171260), (145, 137008), (232, 85630), (290, 68504), (464, 42815), (580, 34252), (1160, 17126), (2320, 8563)]