19761392

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2417}}^1$

素因数の和:2505

約数の個数: 40

約数和(自身を含む): 44375136

約数和(自身を除く): 24613744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 2417, 4088, 4834, 8176, 9668, 16919, 19336, 33838, 38672, 67676, 135352, 176441, 270704, 352882, 705764, 1235087, 1411528, 2470174, 2823056, 4940348, 9880696, 19761392]

約数ペア:

[(1, 19761392), (2, 9880696), (4, 4940348), (7, 2823056), (8, 2470174), (14, 1411528), (16, 1235087), (28, 705764), (56, 352882), (73, 270704), (112, 176441), (146, 135352), (292, 67676), (511, 38672), (584, 33838), (1022, 19336), (1168, 16919), (2044, 9668), (2417, 8176), (4088, 4834)]