19447640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25589}}^1$

素因数の和:25619

約数の個数: 32

約数和(自身を含む): 46062000

約数和(自身を除く): 26614360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 25589, 51178, 102356, 127945, 204712, 255890, 486191, 511780, 972382, 1023560, 1944764, 2430955, 3889528, 4861910, 9723820, 19447640]

約数ペア:

[(1, 19447640), (2, 9723820), (4, 4861910), (5, 3889528), (8, 2430955), (10, 1944764), (19, 1023560), (20, 972382), (38, 511780), (40, 486191), (76, 255890), (95, 204712), (152, 127945), (190, 102356), (380, 51178), (760, 25589)]