19886452

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:951

約数の個数: 24

約数和(自身を含む): 35844480

約数和(自身を除く): 15958028

約数列:

[1, 2, 4, 47, 94, 139, 188, 278, 556, 761, 1522, 3044, 6533, 13066, 26132, 35767, 71534, 105779, 143068, 211558, 423116, 4971613, 9943226, 19886452]

約数ペア:

[(1, 19886452), (2, 9943226), (4, 4971613), (47, 423116), (94, 211558), (139, 143068), (188, 105779), (278, 71534), (556, 35767), (761, 26132), (1522, 13066), (3044, 6533)]