19448989

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{569}}^1$

素因数の和:852

約数の個数: 16

約数和(自身を含む): 23529600

約数和(自身を除く): 4080611

約数列:

[1, 7, 19, 133, 257, 569, 1799, 3983, 4883, 10811, 34181, 75677, 146233, 1023631, 2778427, 19448989]

約数ペア:

[(1, 19448989), (7, 2778427), (19, 1023631), (133, 146233), (257, 75677), (569, 34181), (1799, 10811), (3983, 4883)]