19864983

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{1237}}^1$

素因数の和:1394

約数の個数: 16

約数和(自身を含む): 27275616

約数和(自身を除く): 7410633

約数列:

[1, 3, 53, 101, 159, 303, 1237, 3711, 5353, 16059, 65561, 124937, 196683, 374811, 6621661, 19864983]

約数ペア:

[(1, 19864983), (3, 6621661), (53, 374811), (101, 196683), (159, 124937), (303, 65561), (1237, 16059), (3711, 5353)]