19387935

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 39074880

約数和(自身を除く): 19686945

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 183, 305, 315, 427, 549, 915, 1009, 1281, 2135, 2745, 3027, 3843, 5045, 6405, 7063, 9081, 15135, 19215, 21189, 35315, 45405, 61549, 63567, 105945, 184647, 307745, 317835, 430843, 553941, 923235, 1292529, 2154215, 2769705, 3877587, 6462645, 19387935]

約数ペア:

[(1, 19387935), (3, 6462645), (5, 3877587), (7, 2769705), (9, 2154215), (15, 1292529), (21, 923235), (35, 553941), (45, 430843), (61, 317835), (63, 307745), (105, 184647), (183, 105945), (305, 63567), (315, 61549), (427, 45405), (549, 35315), (915, 21189), (1009, 19215), (1281, 15135), (2135, 9081), (2745, 7063), (3027, 6405), (3843, 5045)]