18864412

素因数分解:

$2^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{883}}^1$

素因数の和:1010

約数の個数: 36

約数和(自身を含む): 38798760

約数和(自身を除く): 19934348

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 196, 218, 436, 763, 883, 1526, 1766, 3052, 3532, 5341, 6181, 10682, 12362, 21364, 24724, 43267, 86534, 96247, 173068, 192494, 384988, 673729, 1347458, 2694916, 4716103, 9432206, 18864412]

約数ペア:

[(1, 18864412), (2, 9432206), (4, 4716103), (7, 2694916), (14, 1347458), (28, 673729), (49, 384988), (98, 192494), (109, 173068), (196, 96247), (218, 86534), (436, 43267), (763, 24724), (883, 21364), (1526, 12362), (1766, 10682), (3052, 6181), (3532, 5341)]