19122460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{997}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 46275264

約数和(自身を除く): 27152804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 997, 1370, 1918, 1994, 2740, 3836, 3988, 4795, 4985, 6979, 9590, 9970, 13958, 19180, 19940, 27916, 34895, 69790, 136589, 139580, 273178, 546356, 682945, 956123, 1365890, 1912246, 2731780, 3824492, 4780615, 9561230, 19122460]

約数ペア:

[(1, 19122460), (2, 9561230), (4, 4780615), (5, 3824492), (7, 2731780), (10, 1912246), (14, 1365890), (20, 956123), (28, 682945), (35, 546356), (70, 273178), (137, 139580), (140, 136589), (274, 69790), (548, 34895), (685, 27916), (959, 19940), (997, 19180), (1370, 13958), (1918, 9970), (1994, 9590), (2740, 6979), (3836, 4985), (3988, 4795)]