18867992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16493}}^1$

素因数の和:16523

約数の個数: 32

約数和(自身を含む): 41564880

約数和(自身を除く): 22696888

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 16493, 32986, 65972, 131944, 181423, 214409, 362846, 428818, 725692, 857636, 1451384, 1715272, 2358499, 4716998, 9433996, 18867992]

約数ペア:

[(1, 18867992), (2, 9433996), (4, 4716998), (8, 2358499), (11, 1715272), (13, 1451384), (22, 857636), (26, 725692), (44, 428818), (52, 362846), (88, 214409), (104, 181423), (143, 131944), (286, 65972), (572, 32986), (1144, 16493)]