19965255

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{8933}}^1$

素因数の和:9090

約数の個数: 16

約数和(自身を含む): 32162400

約数和(自身を除く): 12197145

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 8933, 26799, 44665, 133995, 1331017, 3993051, 6655085, 19965255]

約数ペア:

[(1, 19965255), (3, 6655085), (5, 3993051), (15, 1331017), (149, 133995), (447, 44665), (745, 26799), (2235, 8933)]