39961922

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19961}}^1$

素因数の和:19994

約数の個数: 32

約数和(自身を含む): 80486784

約数和(自身を除く): 40524862

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 19961, 39922, 139727, 219571, 259493, 279454, 439142, 518986, 1536997, 1816451, 2854423, 3073994, 3632902, 5708846, 19980961, 39961922]

約数ペア:

[(1, 39961922), (2, 19980961), (7, 5708846), (11, 3632902), (13, 3073994), (14, 2854423), (22, 1816451), (26, 1536997), (77, 518986), (91, 439142), (143, 279454), (154, 259493), (182, 219571), (286, 139727), (1001, 39922), (2002, 19961)]