19772038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 35108640

約数和(自身を除く): 15336602

約数列:

[1, 2, 11, 13, 22, 26, 143, 257, 269, 286, 514, 538, 2827, 2959, 3341, 3497, 5654, 5918, 6682, 6994, 36751, 38467, 69133, 73502, 76934, 138266, 760463, 898729, 1520926, 1797458, 9886019, 19772038]

約数ペア:

[(1, 19772038), (2, 9886019), (11, 1797458), (13, 1520926), (22, 898729), (26, 760463), (143, 138266), (257, 76934), (269, 73502), (286, 69133), (514, 38467), (538, 36751), (2827, 6994), (2959, 6682), (3341, 5918), (3497, 5654)]