19880458076

素因数分解:

$2^2\times {\mathrm{257}}^1\times {\mathrm{863}}^1\times {\mathrm{22409}}^1$

素因数の和:23533

約数の個数: 24

約数和(自身を含む): 34968205440

約数和(自身を除く): 15087747364

約数列:

[1, 2, 4, 257, 514, 863, 1028, 1726, 3452, 22409, 44818, 89636, 221791, 443582, 887164, 5759113, 11518226, 19338967, 23036452, 38677934, 77355868, 4970114519, 9940229038, 19880458076]

約数ペア:

[(1, 19880458076), (2, 9940229038), (4, 4970114519), (257, 77355868), (514, 38677934), (863, 23036452), (1028, 19338967), (1726, 11518226), (3452, 5759113), (22409, 887164), (44818, 443582), (89636, 221791)]