19887174

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{1433}}^1$

素因数の和:1701

約数の個数: 32

約数和(自身を含む): 44396640

約数和(自身を除く): 24509466

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1433, 1542, 2313, 2866, 4299, 4626, 6939, 8598, 12897, 13878, 25794, 38691, 77382, 368281, 736562, 1104843, 2209686, 3314529, 6629058, 9943587, 19887174]

約数ペア:

[(1, 19887174), (2, 9943587), (3, 6629058), (6, 3314529), (9, 2209686), (18, 1104843), (27, 736562), (54, 368281), (257, 77382), (514, 38691), (771, 25794), (1433, 13878), (1542, 12897), (2313, 8598), (2866, 6939), (4299, 4626)]