19325768

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 45705600

約数和(自身を除く): 26379832

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 137, 154, 229, 274, 308, 458, 548, 616, 916, 959, 1096, 1507, 1603, 1832, 1918, 2519, 3014, 3206, 3836, 5038, 6028, 6412, 7672, 10076, 10549, 12056, 12824, 17633, 20152, 21098, 31373, 35266, 42196, 62746, 70532, 84392, 125492, 141064, 219611, 250984, 345103, 439222, 690206, 878444, 1380412, 1756888, 2415721, 2760824, 4831442, 9662884, 19325768]

約数ペア:

[(1, 19325768), (2, 9662884), (4, 4831442), (7, 2760824), (8, 2415721), (11, 1756888), (14, 1380412), (22, 878444), (28, 690206), (44, 439222), (56, 345103), (77, 250984), (88, 219611), (137, 141064), (154, 125492), (229, 84392), (274, 70532), (308, 62746), (458, 42196), (548, 35266), (616, 31373), (916, 21098), (959, 20152), (1096, 17633), (1507, 12824), (1603, 12056), (1832, 10549), (1918, 10076), (2519, 7672), (3014, 6412), (3206, 6028), (3836, 5038)]