19521464

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 37646400

約数和(自身を除く): 18124936

約数列:

[1, 2, 4, 8, 61, 109, 122, 218, 244, 367, 436, 488, 734, 872, 1468, 2936, 6649, 13298, 22387, 26596, 40003, 44774, 53192, 80006, 89548, 160012, 179096, 320024, 2440183, 4880366, 9760732, 19521464]

約数ペア:

[(1, 19521464), (2, 9760732), (4, 4880366), (8, 2440183), (61, 320024), (109, 179096), (122, 160012), (218, 89548), (244, 80006), (367, 53192), (436, 44774), (488, 40003), (734, 26596), (872, 22387), (1468, 13298), (2936, 6649)]