19992401

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{557}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 23623488

約数和(自身を除く): 3631087

約数列:

[1, 11, 13, 143, 251, 557, 2761, 3263, 6127, 7241, 35893, 79651, 139807, 1537877, 1817491, 19992401]

約数ペア:

[(1, 19992401), (11, 1817491), (13, 1537877), (143, 139807), (251, 79651), (557, 35893), (2761, 7241), (3263, 6127)]