18914445

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 37601280

約数和(自身を除く): 18686835

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 47, 55, 99, 135, 141, 165, 235, 271, 297, 423, 495, 517, 705, 813, 1269, 1355, 1485, 1551, 2115, 2439, 2585, 2981, 4065, 4653, 6345, 7317, 7755, 8943, 12195, 12737, 13959, 14905, 23265, 26829, 36585, 38211, 44715, 63685, 69795, 80487, 114633, 134145, 140107, 191055, 343899, 402435, 420321, 573165, 700535, 1260963, 1719495, 2101605, 3782889, 6304815, 18914445]

約数ペア:

[(1, 18914445), (3, 6304815), (5, 3782889), (9, 2101605), (11, 1719495), (15, 1260963), (27, 700535), (33, 573165), (45, 420321), (47, 402435), (55, 343899), (99, 191055), (135, 140107), (141, 134145), (165, 114633), (235, 80487), (271, 69795), (297, 63685), (423, 44715), (495, 38211), (517, 36585), (705, 26829), (813, 23265), (1269, 14905), (1355, 13959), (1485, 12737), (1551, 12195), (2115, 8943), (2439, 7755), (2585, 7317), (2981, 6345), (4065, 4653)]