18991272

素因数分解:

$2^3\times 3^1\times {\mathrm{257}}^1\times {\mathrm{3079}}^1$

素因数の和:3345

約数の個数: 32

約数和(自身を含む): 47678400

約数和(自身を除く): 28687128

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 257, 514, 771, 1028, 1542, 2056, 3079, 3084, 6158, 6168, 9237, 12316, 18474, 24632, 36948, 73896, 791303, 1582606, 2373909, 3165212, 4747818, 6330424, 9495636, 18991272]

約数ペア:

[(1, 18991272), (2, 9495636), (3, 6330424), (4, 4747818), (6, 3165212), (8, 2373909), (12, 1582606), (24, 791303), (257, 73896), (514, 36948), (771, 24632), (1028, 18474), (1542, 12316), (2056, 9237), (3079, 6168), (3084, 6158)]