15431420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40609}}^1$

素因数の和:40637

約数の個数: 24

約数和(自身を含む): 34112400

約数和(自身を除く): 18680980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 40609, 81218, 162436, 203045, 406090, 771571, 812180, 1543142, 3086284, 3857855, 7715710, 15431420]

約数ペア:

[(1, 15431420), (2, 7715710), (4, 3857855), (5, 3086284), (10, 1543142), (19, 812180), (20, 771571), (38, 406090), (76, 203045), (95, 162436), (190, 81218), (380, 40609)]