19305065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6907}}^1$

素因数の和:6968

約数の個数: 16

約数和(自身を含む): 25531968

約数和(自身を除く): 6226903

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 6907, 34535, 89791, 297001, 448955, 1485005, 3861013, 19305065]

約数ペア:

[(1, 19305065), (5, 3861013), (13, 1485005), (43, 448955), (65, 297001), (215, 89791), (559, 34535), (2795, 6907)]