18792145

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 24144120

約数和(自身を除く): 5351975

約数列:

[1, 5, 29, 41, 109, 145, 205, 545, 841, 1189, 3161, 4205, 4469, 5945, 15805, 22345, 34481, 91669, 129601, 172405, 458345, 648005, 3758429, 18792145]

約数ペア:

[(1, 18792145), (5, 3758429), (29, 648005), (41, 458345), (109, 172405), (145, 129601), (205, 91669), (545, 34481), (841, 22345), (1189, 15805), (3161, 5945), (4205, 4469)]