19802379

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1487}}^1$

素因数の和:1706

約数の個数: 16

約数和(自身を含む): 27712512

約数和(自身を除く): 7910133

約数列:

[1, 3, 23, 69, 193, 579, 1487, 4439, 4461, 13317, 34201, 102603, 286991, 860973, 6600793, 19802379]

約数ペア:

[(1, 19802379), (3, 6600793), (23, 860973), (69, 286991), (193, 102603), (579, 34201), (1487, 13317), (4439, 4461)]