19886636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64567}}^1$

素因数の和:64589

約数の個数: 24

約数和(自身を含む): 43389696

約数和(自身を除く): 23503060

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 64567, 129134, 258268, 451969, 710237, 903938, 1420474, 1807876, 2840948, 4971659, 9943318, 19886636]

約数ペア:

[(1, 19886636), (2, 9943318), (4, 4971659), (7, 2840948), (11, 1807876), (14, 1420474), (22, 903938), (28, 710237), (44, 451969), (77, 258268), (154, 129134), (308, 64567)]