19690715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2819}}^1$

素因数の和:2962

約数の個数: 16

約数和(自身を含む): 25989120

約数和(自身を除く): 6298405

約数列:

[1, 5, 11, 55, 127, 635, 1397, 2819, 6985, 14095, 31009, 155045, 358013, 1790065, 3938143, 19690715]

約数ペア:

[(1, 19690715), (5, 3938143), (11, 1790065), (55, 358013), (127, 155045), (635, 31009), (1397, 14095), (2819, 6985)]