17984677525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{99901}}^1$

素因数の和:100309

約数の個数: 24

約数和(自身を含む): 23536911200

約数和(自身を除く): 5552233675

約数列:

[1, 5, 19, 25, 95, 379, 475, 1895, 7201, 9475, 36005, 99901, 180025, 499505, 1898119, 2497525, 9490595, 37862479, 47452975, 189312395, 719387101, 946561975, 3596935505, 17984677525]

約数ペア:

[(1, 17984677525), (5, 3596935505), (19, 946561975), (25, 719387101), (95, 189312395), (379, 47452975), (475, 37862479), (1895, 9490595), (7201, 2497525), (9475, 1898119), (36005, 499505), (99901, 180025)]