19727565

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 39336192

約数和(自身を除く): 19608627

約数列:

[1, 3, 5, 11, 13, 15, 17, 33, 39, 51, 55, 65, 85, 143, 165, 187, 195, 221, 255, 429, 541, 561, 663, 715, 935, 1105, 1623, 2145, 2431, 2705, 2805, 3315, 5951, 7033, 7293, 8115, 9197, 12155, 17853, 21099, 27591, 29755, 35165, 36465, 45985, 77363, 89265, 101167, 105495, 119561, 137955, 232089, 303501, 358683, 386815, 505835, 597805, 1160445, 1315171, 1517505, 1793415, 3945513, 6575855, 19727565]

約数ペア:

[(1, 19727565), (3, 6575855), (5, 3945513), (11, 1793415), (13, 1517505), (15, 1315171), (17, 1160445), (33, 597805), (39, 505835), (51, 386815), (55, 358683), (65, 303501), (85, 232089), (143, 137955), (165, 119561), (187, 105495), (195, 101167), (221, 89265), (255, 77363), (429, 45985), (541, 36465), (561, 35165), (663, 29755), (715, 27591), (935, 21099), (1105, 17853), (1623, 12155), (2145, 9197), (2431, 8115), (2705, 7293), (2805, 7033), (3315, 5951)]