19986932

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5449}}^1$

素因数の和:5591

約数の個数: 24

約数和(自身を含む): 40286400

約数和(自身を除く): 20299468

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5449, 10898, 21796, 38143, 76286, 152572, 713819, 1427638, 2855276, 4996733, 9993466, 19986932]

約数ペア:

[(1, 19986932), (2, 9993466), (4, 4996733), (7, 2855276), (14, 1427638), (28, 713819), (131, 152572), (262, 76286), (524, 38143), (917, 21796), (1834, 10898), (3668, 5449)]