19985204

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3931}}^1$

素因数の和:4007

約数の個数: 24

約数和(自身を含む): 36992256

約数和(自身を除く): 17007052

約数列:

[1, 2, 4, 31, 41, 62, 82, 124, 164, 1271, 2542, 3931, 5084, 7862, 15724, 121861, 161171, 243722, 322342, 487444, 644684, 4996301, 9992602, 19985204]

約数ペア:

[(1, 19985204), (2, 9992602), (4, 4996301), (31, 644684), (41, 487444), (62, 322342), (82, 243722), (124, 161171), (164, 121861), (1271, 15724), (2542, 7862), (3931, 5084)]