19251253

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1097}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 23189760

約数和(自身を除く): 3938507

約数列:

[1, 7, 23, 109, 161, 763, 1097, 2507, 7679, 17549, 25231, 119573, 176617, 837011, 2750179, 19251253]

約数ペア:

[(1, 19251253), (7, 2750179), (23, 837011), (109, 176617), (161, 119573), (763, 25231), (1097, 17549), (2507, 7679)]