19408868

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 35112000

約数和(自身を除く): 15703132

約数列:

[1, 2, 4, 37, 74, 148, 199, 398, 659, 796, 1318, 2636, 7363, 14726, 24383, 29452, 48766, 97532, 131141, 262282, 524564, 4852217, 9704434, 19408868]

約数ペア:

[(1, 19408868), (2, 9704434), (4, 4852217), (37, 524564), (74, 262282), (148, 131141), (199, 97532), (398, 48766), (659, 29452), (796, 24383), (1318, 14726), (2636, 7363)]