2018494090

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{19403}}^1$

素因数の和:19614

約数の個数: 32

約数和(自身を含む): 3705077376

約数和(自身を除く): 1686583286

約数列:

[1, 2, 5, 10, 101, 103, 202, 206, 505, 515, 1010, 1030, 10403, 19403, 20806, 38806, 52015, 97015, 104030, 194030, 1959703, 1998509, 3919406, 3997018, 9798515, 9992545, 19597030, 19985090, 201849409, 403698818, 1009247045, 2018494090]

約数ペア:

[(1, 2018494090), (2, 1009247045), (5, 403698818), (10, 201849409), (101, 19985090), (103, 19597030), (202, 9992545), (206, 9798515), (505, 3997018), (515, 3919406), (1010, 1998509), (1030, 1959703), (10403, 194030), (19403, 104030), (20806, 97015), (38806, 52015)]