19651915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5639}}^1$

素因数の和:5702

約数の個数: 16

約数和(自身を含む): 25583040

約数和(自身を除く): 5931125

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 5639, 28195, 95863, 231199, 479315, 1155995, 3930383, 19651915]

約数ペア:

[(1, 19651915), (5, 3930383), (17, 1155995), (41, 479315), (85, 231199), (205, 95863), (697, 28195), (3485, 5639)]