19991146

素因数分解:

$2^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{5689}}^1$

素因数の和:5949

約数の個数: 16

約数和(自身を含む): 34413120

約数和(自身を除く): 14421974

約数列:

[1, 2, 7, 14, 251, 502, 1757, 3514, 5689, 11378, 39823, 79646, 1427939, 2855878, 9995573, 19991146]

約数ペア:

[(1, 19991146), (2, 9995573), (7, 2855878), (14, 1427939), (251, 79646), (502, 39823), (1757, 11378), (3514, 5689)]