19404495

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 38361600

約数和(自身を除く): 18957105

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 73, 99, 135, 165, 179, 219, 297, 365, 495, 537, 657, 803, 895, 1095, 1485, 1611, 1969, 1971, 2409, 2685, 3285, 4015, 4833, 5907, 7227, 8055, 9845, 9855, 12045, 13067, 17721, 21681, 24165, 29535, 36135, 39201, 53163, 65335, 88605, 108405, 117603, 143737, 196005, 265815, 352809, 431211, 588015, 718685, 1293633, 1764045, 2156055, 3880899, 6468165, 19404495]

約数ペア:

[(1, 19404495), (3, 6468165), (5, 3880899), (9, 2156055), (11, 1764045), (15, 1293633), (27, 718685), (33, 588015), (45, 431211), (55, 352809), (73, 265815), (99, 196005), (135, 143737), (165, 117603), (179, 108405), (219, 88605), (297, 65335), (365, 53163), (495, 39201), (537, 36135), (657, 29535), (803, 24165), (895, 21681), (1095, 17721), (1485, 13067), (1611, 12045), (1969, 9855), (1971, 9845), (2409, 8055), (2685, 7227), (3285, 5907), (4015, 4833)]