19992085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12379}}^1$

素因数の和:12420

約数の個数: 16

約数和(自身を含む): 26740800

約数和(自身を除く): 6748715

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 12379, 61895, 210443, 235201, 1052215, 1176005, 3998417, 19992085]

約数ペア:

[(1, 19992085), (5, 3998417), (17, 1176005), (19, 1052215), (85, 235201), (95, 210443), (323, 61895), (1615, 12379)]