19770241

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{619}}^1$

素因数の和:720

約数の個数: 12

約数和(自身を含む): 21365200

約数和(自身を除く): 1594959

約数列:

[1, 19, 41, 619, 779, 1681, 11761, 25379, 31939, 482201, 1040539, 19770241]

約数ペア:

[(1, 19770241), (19, 1040539), (41, 482201), (619, 31939), (779, 25379), (1681, 11761)]