19723516

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1877}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 35967456

約数和(自身を除く): 16243940

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 1877, 2627, 3754, 5254, 7508, 10508, 69449, 133267, 138898, 266534, 277796, 533068, 4930879, 9861758, 19723516]

約数ペア:

[(1, 19723516), (2, 9861758), (4, 4930879), (37, 533068), (71, 277796), (74, 266534), (142, 138898), (148, 133267), (284, 69449), (1877, 10508), (2627, 7508), (3754, 5254)]