18942812

素因数分解:

$2^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{761}}^1$

素因数の和:906

約数の個数: 36

約数和(自身を含む): 38916864

約数和(自身を除く): 19974052

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 254, 508, 761, 889, 1522, 1778, 3044, 3556, 5327, 6223, 10654, 12446, 21308, 24892, 37289, 74578, 96647, 149156, 193294, 386588, 676529, 1353058, 2706116, 4735703, 9471406, 18942812]

約数ペア:

[(1, 18942812), (2, 9471406), (4, 4735703), (7, 2706116), (14, 1353058), (28, 676529), (49, 386588), (98, 193294), (127, 149156), (196, 96647), (254, 74578), (508, 37289), (761, 24892), (889, 21308), (1522, 12446), (1778, 10654), (3044, 6223), (3556, 5327)]