18240964

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4973}}^1$

素因数の和:5115

約数の個数: 24

約数和(自身を含む): 36767808

約数和(自身を除く): 18526844

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 4973, 9946, 19892, 34811, 69622, 139244, 651463, 1302926, 2605852, 4560241, 9120482, 18240964]

約数ペア:

[(1, 18240964), (2, 9120482), (4, 4560241), (7, 2605852), (14, 1302926), (28, 651463), (131, 139244), (262, 69622), (524, 34811), (917, 19892), (1834, 9946), (3668, 4973)]