19125315

素因数分解:

$3^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 38261808

約数和(自身を除く): 19136493

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 53, 55, 81, 99, 135, 159, 165, 243, 265, 297, 405, 477, 495, 583, 729, 795, 891, 1215, 1431, 1485, 1749, 2187, 2385, 2673, 2915, 3645, 4293, 4455, 5247, 6561, 7155, 8019, 8745, 10935, 12879, 13365, 15741, 21465, 24057, 26235, 32805, 38637, 40095, 47223, 64395, 72171, 78705, 115911, 120285, 141669, 193185, 236115, 347733, 360855, 425007, 579555, 708345, 1275021, 1738665, 2125035, 3825063, 6375105, 19125315]

約数ペア:

[(1, 19125315), (3, 6375105), (5, 3825063), (9, 2125035), (11, 1738665), (15, 1275021), (27, 708345), (33, 579555), (45, 425007), (53, 360855), (55, 347733), (81, 236115), (99, 193185), (135, 141669), (159, 120285), (165, 115911), (243, 78705), (265, 72171), (297, 64395), (405, 47223), (477, 40095), (495, 38637), (583, 32805), (729, 26235), (795, 24057), (891, 21465), (1215, 15741), (1431, 13365), (1485, 12879), (1749, 10935), (2187, 8745), (2385, 8019), (2673, 7155), (2915, 6561), (3645, 5247), (4293, 4455)]