19810160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13033}}^1$

素因数の和:13065

約数の個数: 40

約数和(自身を含む): 48486480

約数和(自身を除く): 28676320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13033, 26066, 52132, 65165, 104264, 130330, 208528, 247627, 260660, 495254, 521320, 990508, 1042640, 1238135, 1981016, 2476270, 3962032, 4952540, 9905080, 19810160]

約数ペア:

[(1, 19810160), (2, 9905080), (4, 4952540), (5, 3962032), (8, 2476270), (10, 1981016), (16, 1238135), (19, 1042640), (20, 990508), (38, 521320), (40, 495254), (76, 260660), (80, 247627), (95, 208528), (152, 130330), (190, 104264), (304, 65165), (380, 52132), (760, 26066), (1520, 13033)]