19381453

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{571}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 23959936

約数和(自身を除く): 4578483

約数列:

[1, 7, 13, 91, 373, 571, 2611, 3997, 4849, 7423, 33943, 51961, 212983, 1490881, 2768779, 19381453]

約数ペア:

[(1, 19381453), (7, 2768779), (13, 1490881), (91, 212983), (373, 51961), (571, 33943), (2611, 7423), (3997, 4849)]