19439108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:468

約数の個数: 36

約数和(自身を含む): 37952460

約数和(自身を除く): 18513352

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 389, 403, 778, 806, 961, 1556, 1612, 1922, 3844, 5057, 10114, 12059, 12493, 20228, 24118, 24986, 48236, 49972, 156767, 313534, 373829, 627068, 747658, 1495316, 4859777, 9719554, 19439108]

約数ペア:

[(1, 19439108), (2, 9719554), (4, 4859777), (13, 1495316), (26, 747658), (31, 627068), (52, 373829), (62, 313534), (124, 156767), (389, 49972), (403, 48236), (778, 24986), (806, 24118), (961, 20228), (1556, 12493), (1612, 12059), (1922, 10114), (3844, 5057)]