19541899

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1297}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 22533280

約数和(自身を除く): 2991381

約数列:

[1, 13, 19, 61, 247, 793, 1159, 1297, 15067, 16861, 24643, 79117, 320359, 1028521, 1503223, 19541899]

約数ペア:

[(1, 19541899), (13, 1503223), (19, 1028521), (61, 320359), (247, 79117), (793, 24643), (1159, 16861), (1297, 15067)]