19677976

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{563}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 39288240

約数和(自身を除く): 19610264

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 257, 514, 563, 1028, 1126, 2056, 2252, 4369, 4504, 8738, 9571, 17476, 19142, 34952, 38284, 76568, 144691, 289382, 578764, 1157528, 2459747, 4919494, 9838988, 19677976]

約数ペア:

[(1, 19677976), (2, 9838988), (4, 4919494), (8, 2459747), (17, 1157528), (34, 578764), (68, 289382), (136, 144691), (257, 76568), (514, 38284), (563, 34952), (1028, 19142), (1126, 17476), (2056, 9571), (2252, 8738), (4369, 4504)]