19695081

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{6211}}^1$

素因数の和:6372

約数の個数: 16

約数和(自身を含む): 30215168

約数和(自身を除く): 10520087

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 6211, 18633, 43477, 130431, 937861, 2813583, 6565027, 19695081]

約数ペア:

[(1, 19695081), (3, 6565027), (7, 2813583), (21, 937861), (151, 130431), (453, 43477), (1057, 18633), (3171, 6211)]