19811808

素因数分解:

$2^5\times 3^2\times {\mathrm{68791}}^1$

素因数の和:68807

約数の個数: 36

約数和(自身を含む): 56340648

約数和(自身を除く): 36528840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 68791, 137582, 206373, 275164, 412746, 550328, 619119, 825492, 1100656, 1238238, 1650984, 2201312, 2476476, 3301968, 4952952, 6603936, 9905904, 19811808]

約数ペア:

[(1, 19811808), (2, 9905904), (3, 6603936), (4, 4952952), (6, 3301968), (8, 2476476), (9, 2201312), (12, 1650984), (16, 1238238), (18, 1100656), (24, 825492), (32, 619119), (36, 550328), (48, 412746), (72, 275164), (96, 206373), (144, 137582), (288, 68791)]