9920090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 19008000

約数和(自身を除く): 9087910

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 479, 545, 958, 1090, 2071, 2395, 4142, 4790, 9101, 10355, 18202, 20710, 45505, 52211, 91010, 104422, 261055, 522110, 992009, 1984018, 4960045, 9920090]

約数ペア:

[(1, 9920090), (2, 4960045), (5, 1984018), (10, 992009), (19, 522110), (38, 261055), (95, 104422), (109, 91010), (190, 52211), (218, 45505), (479, 20710), (545, 18202), (958, 10355), (1090, 9101), (2071, 4790), (2395, 4142)]