19961790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4787}}^1$

素因数の和:4936

約数の個数: 32

約数和(自身を含む): 48263040

約数和(自身を除く): 28301250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 4787, 9574, 14361, 23935, 28722, 47870, 71805, 143610, 665393, 1330786, 1996179, 3326965, 3992358, 6653930, 9980895, 19961790]

約数ペア:

[(1, 19961790), (2, 9980895), (3, 6653930), (5, 3992358), (6, 3326965), (10, 1996179), (15, 1330786), (30, 665393), (139, 143610), (278, 71805), (417, 47870), (695, 28722), (834, 23935), (1390, 14361), (2085, 9574), (4170, 4787)]