19320651

素因数分解:

$3^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:440

約数の個数: 36

約数和(自身を含む): 32775912

約数和(自身を除く): 13455261

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 193, 227, 441, 579, 681, 1351, 1589, 1737, 2043, 4053, 4767, 9457, 11123, 12159, 14301, 28371, 33369, 43811, 85113, 100107, 131433, 306677, 394299, 920031, 2146739, 2760093, 6440217, 19320651]

約数ペア:

[(1, 19320651), (3, 6440217), (7, 2760093), (9, 2146739), (21, 920031), (49, 394299), (63, 306677), (147, 131433), (193, 100107), (227, 85113), (441, 43811), (579, 33369), (681, 28371), (1351, 14301), (1589, 12159), (1737, 11123), (2043, 9457), (4053, 4767)]