19719065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2053}}^1$

素因数の和:2188

約数の個数: 16

約数和(自身を含む): 25288848

約数和(自身を除く): 5569783

約数列:

[1, 5, 17, 85, 113, 565, 1921, 2053, 9605, 10265, 34901, 174505, 231989, 1159945, 3943813, 19719065]

約数ペア:

[(1, 19719065), (5, 3943813), (17, 1159945), (85, 231989), (113, 174505), (565, 34901), (1921, 10265), (2053, 9605)]