19119645

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2777}}^1$

素因数の和:2811

約数の個数: 40

約数和(自身を含む): 36302904

約数和(自身を除く): 17183259

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 2777, 6885, 8331, 13885, 24993, 41655, 47209, 74979, 124965, 141627, 224937, 236045, 374895, 424881, 708135, 1124685, 1274643, 2124405, 3823929, 6373215, 19119645]

約数ペア:

[(1, 19119645), (3, 6373215), (5, 3823929), (9, 2124405), (15, 1274643), (17, 1124685), (27, 708135), (45, 424881), (51, 374895), (81, 236045), (85, 224937), (135, 141627), (153, 124965), (255, 74979), (405, 47209), (459, 41655), (765, 24993), (1377, 13885), (2295, 8331), (2777, 6885)]