18642021

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1303}}^1$

素因数の和:1576

約数の個数: 16

約数和(自身を含む): 26288640

約数和(自身を除く): 7646619

約数列:

[1, 3, 19, 57, 251, 753, 1303, 3909, 4769, 14307, 24757, 74271, 327053, 981159, 6214007, 18642021]

約数ペア:

[(1, 18642021), (3, 6214007), (19, 981159), (57, 327053), (251, 74271), (753, 24757), (1303, 14307), (3909, 4769)]