22519988

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{353}}^1\times {\mathrm{389}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 40589640

約数和(自身を除く): 18069652

約数列:

[1, 2, 4, 41, 82, 164, 353, 389, 706, 778, 1412, 1556, 14473, 15949, 28946, 31898, 57892, 63796, 137317, 274634, 549268, 5629997, 11259994, 22519988]

約数ペア:

[(1, 22519988), (2, 11259994), (4, 5629997), (41, 549268), (82, 274634), (164, 137317), (353, 63796), (389, 57892), (706, 31898), (778, 28946), (1412, 15949), (1556, 14473)]