18887901

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{2069}}^1$

素因数の和:2268

約数の個数: 16

約数和(自身を含む): 26827200

約数和(自身を除く): 7939299

約数列:

[1, 3, 17, 51, 179, 537, 2069, 3043, 6207, 9129, 35173, 105519, 370351, 1111053, 6295967, 18887901]

約数ペア:

[(1, 18887901), (3, 6295967), (17, 1111053), (51, 370351), (179, 105519), (537, 35173), (2069, 9129), (3043, 6207)]