19806116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{10979}}^1$

素因数の和:11035

約数の個数: 24

約数和(自身を含む): 38737440

約数和(自身を除く): 18931324

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 10979, 21958, 43916, 120769, 241538, 450139, 483076, 900278, 1800556, 4951529, 9903058, 19806116]

約数ペア:

[(1, 19806116), (2, 9903058), (4, 4951529), (11, 1800556), (22, 900278), (41, 483076), (44, 450139), (82, 241538), (164, 120769), (451, 43916), (902, 21958), (1804, 10979)]