19445866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{28513}}^1$

素因数の和:28557

約数の個数: 16

約数和(自身を含む): 32848128

約数和(自身を除く): 13402262

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 28513, 57026, 313643, 627286, 883903, 1767806, 9722933, 19445866]

約数ペア:

[(1, 19445866), (2, 9722933), (11, 1767806), (22, 883903), (31, 627286), (62, 313643), (341, 57026), (682, 28513)]