19728346

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 34372800

約数和(自身を除く): 14644454

約数列:

[1, 2, 11, 19, 22, 38, 109, 209, 218, 418, 433, 866, 1199, 2071, 2398, 4142, 4763, 8227, 9526, 16454, 22781, 45562, 47197, 90497, 94394, 180994, 519167, 896743, 1038334, 1793486, 9864173, 19728346]

約数ペア:

[(1, 19728346), (2, 9864173), (11, 1793486), (19, 1038334), (22, 896743), (38, 519167), (109, 180994), (209, 94394), (218, 90497), (418, 47197), (433, 45562), (866, 22781), (1199, 16454), (2071, 9526), (2398, 8227), (4142, 4763)]