19752603

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{887}}^1$

素因数の和:1474

約数の個数: 16

約数和(自身を含む): 28444416

約数和(自身を除く): 8691813

約数列:

[1, 3, 13, 39, 571, 887, 1713, 2661, 7423, 11531, 22269, 34593, 506477, 1519431, 6584201, 19752603]

約数ペア:

[(1, 19752603), (3, 6584201), (13, 1519431), (39, 506477), (571, 34593), (887, 22269), (1713, 11531), (2661, 7423)]