19512753

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1549}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 31248000

約数和(自身を除く): 11735247

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 1549, 4199, 4647, 12597, 20137, 26333, 29431, 60411, 78999, 88293, 342329, 382603, 500327, 1026987, 1147809, 1500981, 6504251, 19512753]

約数ペア:

[(1, 19512753), (3, 6504251), (13, 1500981), (17, 1147809), (19, 1026987), (39, 500327), (51, 382603), (57, 342329), (221, 88293), (247, 78999), (323, 60411), (663, 29431), (741, 26333), (969, 20137), (1549, 12597), (4199, 4647)]