19992502

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1\times {\mathrm{509}}^1$

素因数の和:1031

約数の個数: 16

約数和(自身を含む): 30844800

約数和(自身を除く): 10852298

約数列:

[1, 2, 41, 82, 479, 509, 958, 1018, 19639, 20869, 39278, 41738, 243811, 487622, 9996251, 19992502]

約数ペア:

[(1, 19992502), (2, 9996251), (41, 487622), (82, 243811), (479, 41738), (509, 39278), (958, 20869), (1018, 19639)]