18973970

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2699}}^1$

素因数の和:2762

約数の個数: 32

約数和(自身を含む): 36936000

約数和(自身を除く): 17962030

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 2699, 3515, 5398, 7030, 13495, 26990, 51281, 99863, 102562, 199726, 256405, 499315, 512810, 998630, 1897397, 3794794, 9486985, 18973970]

約数ペア:

[(1, 18973970), (2, 9486985), (5, 3794794), (10, 1897397), (19, 998630), (37, 512810), (38, 499315), (74, 256405), (95, 199726), (185, 102562), (190, 99863), (370, 51281), (703, 26990), (1406, 13495), (2699, 7030), (3515, 5398)]