19089304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 40037760

約数和(自身を除く): 20948456

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 191, 248, 382, 403, 764, 806, 961, 1528, 1612, 1922, 2483, 3224, 3844, 4966, 5921, 7688, 9932, 11842, 12493, 19864, 23684, 24986, 47368, 49972, 76973, 99944, 153946, 183551, 307892, 367102, 615784, 734204, 1468408, 2386163, 4772326, 9544652, 19089304]

約数ペア:

[(1, 19089304), (2, 9544652), (4, 4772326), (8, 2386163), (13, 1468408), (26, 734204), (31, 615784), (52, 367102), (62, 307892), (104, 183551), (124, 153946), (191, 99944), (248, 76973), (382, 49972), (403, 47368), (764, 24986), (806, 23684), (961, 19864), (1528, 12493), (1612, 11842), (1922, 9932), (2483, 7688), (3224, 5921), (3844, 4966)]