15887420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41809}}^1$

素因数の和:41837

約数の個数: 24

約数和(自身を含む): 35120400

約数和(自身を除く): 19232980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 41809, 83618, 167236, 209045, 418090, 794371, 836180, 1588742, 3177484, 3971855, 7943710, 15887420]

約数ペア:

[(1, 15887420), (2, 7943710), (4, 3971855), (5, 3177484), (10, 1588742), (19, 836180), (20, 794371), (38, 418090), (76, 209045), (95, 167236), (190, 83618), (380, 41809)]