18644320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6133}}^1$

素因数の和:6167

約数の個数: 48

約数和(自身を含む): 46373040

約数和(自身を除く): 27728720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6133, 12266, 24532, 30665, 49064, 61330, 98128, 116527, 122660, 196256, 233054, 245320, 466108, 490640, 582635, 932216, 981280, 1165270, 1864432, 2330540, 3728864, 4661080, 9322160, 18644320]

約数ペア:

[(1, 18644320), (2, 9322160), (4, 4661080), (5, 3728864), (8, 2330540), (10, 1864432), (16, 1165270), (19, 981280), (20, 932216), (32, 582635), (38, 490640), (40, 466108), (76, 245320), (80, 233054), (95, 196256), (152, 122660), (160, 116527), (190, 98128), (304, 61330), (380, 49064), (608, 30665), (760, 24532), (1520, 12266), (3040, 6133)]