19190720

素因数分解:

$2^6\times 5^1\times {\mathrm{59971}}^1$

素因数の和:59988

約数の個数: 28

約数和(自身を含む): 45698664

約数和(自身を除く): 26507944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 59971, 119942, 239884, 299855, 479768, 599710, 959536, 1199420, 1919072, 2398840, 3838144, 4797680, 9595360, 19190720]

約数ペア:

[(1, 19190720), (2, 9595360), (4, 4797680), (5, 3838144), (8, 2398840), (10, 1919072), (16, 1199420), (20, 959536), (32, 599710), (40, 479768), (64, 299855), (80, 239884), (160, 119942), (320, 59971)]