18784951

素因数分解:

${\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:318

約数の個数: 16

約数和(自身を含む): 20275200

約数和(自身を除く): 1490249

約数列:

[1, 23, 59, 109, 127, 1357, 2507, 2921, 6431, 7493, 13843, 147913, 172339, 318389, 816737, 18784951]

約数ペア:

[(1, 18784951), (23, 816737), (59, 318389), (109, 172339), (127, 147913), (1357, 13843), (2507, 7493), (2921, 6431)]