18561423

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7573}}^1$

素因数の和:7638

約数の個数: 16

約数和(自身を含む): 26660480

約数和(自身を除く): 8099057

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 7573, 22719, 143887, 325639, 431661, 976917, 6187141, 18561423]

約数ペア:

[(1, 18561423), (3, 6187141), (19, 976917), (43, 431661), (57, 325639), (129, 143887), (817, 22719), (2451, 7573)]