19165042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5303}}^1$

素因数の和:5457

約数の個数: 16

約数和(自身を含む): 31187520

約数和(自身を除く): 12022478

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 5303, 10606, 68939, 137878, 737117, 1474234, 9582521, 19165042]

約数ペア:

[(1, 19165042), (2, 9582521), (13, 1474234), (26, 737117), (139, 137878), (278, 68939), (1807, 10606), (3614, 5303)]