19736193

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 9294207

約数列:

[1, 3, 19, 47, 53, 57, 139, 141, 159, 417, 893, 1007, 2491, 2641, 2679, 3021, 6533, 7367, 7473, 7923, 19599, 22101, 47329, 124127, 139973, 141987, 346249, 372381, 419919, 1038747, 6578731, 19736193]

約数ペア:

[(1, 19736193), (3, 6578731), (19, 1038747), (47, 419919), (53, 372381), (57, 346249), (139, 141987), (141, 139973), (159, 124127), (417, 47329), (893, 22101), (1007, 19599), (2491, 7923), (2641, 7473), (2679, 7367), (3021, 6533)]