19002423

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 28892160

約数和(自身を除く): 9889737

約数列:

[1, 3, 11, 33, 37, 79, 111, 197, 237, 407, 591, 869, 1221, 2167, 2607, 2923, 6501, 7289, 8769, 15563, 21867, 32153, 46689, 80179, 96459, 171193, 240537, 513579, 575831, 1727493, 6334141, 19002423]

約数ペア:

[(1, 19002423), (3, 6334141), (11, 1727493), (33, 575831), (37, 513579), (79, 240537), (111, 171193), (197, 96459), (237, 80179), (407, 46689), (591, 32153), (869, 21867), (1221, 15563), (2167, 8769), (2607, 7289), (2923, 6501)]