17900818

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:490

約数の個数: 24

約数和(自身を含む): 29329776

約数和(自身を除く): 11428958

約数列:

[1, 2, 13, 26, 169, 211, 251, 338, 422, 502, 2743, 3263, 5486, 6526, 35659, 42419, 52961, 71318, 84838, 105922, 688493, 1376986, 8950409, 17900818]

約数ペア:

[(1, 17900818), (2, 8950409), (13, 1376986), (26, 688493), (169, 105922), (211, 84838), (251, 71318), (338, 52961), (422, 42419), (502, 35659), (2743, 6526), (3263, 5486)]