19987236

素因数分解:

$2^2\times 3^5\times {\mathrm{20563}}^1$

素因数の和:20582

約数の個数: 36

約数和(自身を含む): 52397072

約数和(自身を除く): 32409836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 20563, 41126, 61689, 82252, 123378, 185067, 246756, 370134, 555201, 740268, 1110402, 1665603, 2220804, 3331206, 4996809, 6662412, 9993618, 19987236]

約数ペア:

[(1, 19987236), (2, 9993618), (3, 6662412), (4, 4996809), (6, 3331206), (9, 2220804), (12, 1665603), (18, 1110402), (27, 740268), (36, 555201), (54, 370134), (81, 246756), (108, 185067), (162, 123378), (243, 82252), (324, 61689), (486, 41126), (972, 20563)]