19297551

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70687}}^1$

素因数の和:70710

約数の個数: 16

約数和(自身を含む): 31668224

約数和(自身を除く): 12370673

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 70687, 212061, 494809, 918931, 1484427, 2756793, 6432517, 19297551]

約数ペア:

[(1, 19297551), (3, 6432517), (7, 2756793), (13, 1484427), (21, 918931), (39, 494809), (91, 212061), (273, 70687)]