19950644

素因数分解:

$2^2\times 7^2\times {\mathrm{101789}}^1$

素因数の和:101807

約数の個数: 18

約数和(自身を含む): 40614210

約数和(自身を除く): 20663566

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 101789, 203578, 407156, 712523, 1425046, 2850092, 4987661, 9975322, 19950644]

約数ペア:

[(1, 19950644), (2, 9975322), (4, 4987661), (7, 2850092), (14, 1425046), (28, 712523), (49, 407156), (98, 203578), (196, 101789)]