19064025

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 35672320

約数和(自身を除く): 16608295

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 135, 183, 225, 305, 463, 549, 675, 915, 1389, 1525, 1647, 2315, 2745, 4167, 4575, 6945, 8235, 11575, 12501, 13725, 20835, 28243, 34725, 41175, 62505, 84729, 104175, 141215, 254187, 312525, 423645, 706075, 762561, 1270935, 2118225, 3812805, 6354675, 19064025]

約数ペア:

[(1, 19064025), (3, 6354675), (5, 3812805), (9, 2118225), (15, 1270935), (25, 762561), (27, 706075), (45, 423645), (61, 312525), (75, 254187), (135, 141215), (183, 104175), (225, 84729), (305, 62505), (463, 41175), (549, 34725), (675, 28243), (915, 20835), (1389, 13725), (1525, 12501), (1647, 11575), (2315, 8235), (2745, 6945), (4167, 4575)]