19487041

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{641}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 23050368

約数和(自身を除く): 3563327

約数列:

[1, 7, 43, 101, 301, 641, 707, 4343, 4487, 27563, 30401, 64741, 192941, 453187, 2783863, 19487041]

約数ペア:

[(1, 19487041), (7, 2783863), (43, 453187), (101, 192941), (301, 64741), (641, 30401), (707, 27563), (4343, 4487)]