19489353

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1187}}^1$

素因数の和:1624

約数の個数: 16

約数和(自身を含む): 28074816

約数和(自身を除く): 8585463

約数列:

[1, 3, 13, 39, 421, 1187, 1263, 3561, 5473, 15431, 16419, 46293, 499727, 1499181, 6496451, 19489353]

約数ペア:

[(1, 19489353), (3, 6496451), (13, 1499181), (39, 499727), (421, 46293), (1187, 16419), (1263, 15431), (3561, 5473)]