18810495

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18514305

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 53, 55, 99, 135, 159, 165, 239, 265, 297, 477, 495, 583, 717, 795, 1195, 1431, 1485, 1749, 2151, 2385, 2629, 2915, 3585, 5247, 6453, 7155, 7887, 8745, 10755, 12667, 13145, 15741, 23661, 26235, 32265, 38001, 39435, 63335, 70983, 78705, 114003, 118305, 139337, 190005, 342009, 354915, 418011, 570015, 696685, 1254033, 1710045, 2090055, 3762099, 6270165, 18810495]

約数ペア:

[(1, 18810495), (3, 6270165), (5, 3762099), (9, 2090055), (11, 1710045), (15, 1254033), (27, 696685), (33, 570015), (45, 418011), (53, 354915), (55, 342009), (99, 190005), (135, 139337), (159, 118305), (165, 114003), (239, 78705), (265, 70983), (297, 63335), (477, 39435), (495, 38001), (583, 32265), (717, 26235), (795, 23661), (1195, 15741), (1431, 13145), (1485, 12667), (1749, 10755), (2151, 8745), (2385, 7887), (2629, 7155), (2915, 6453), (3585, 5247)]