19363580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 42287616

約数和(自身を除く): 22924036

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 137, 148, 185, 191, 274, 370, 382, 548, 685, 740, 764, 955, 1370, 1910, 2740, 3820, 5069, 7067, 10138, 14134, 20276, 25345, 26167, 28268, 35335, 50690, 52334, 70670, 101380, 104668, 130835, 141340, 261670, 523340, 968179, 1936358, 3872716, 4840895, 9681790, 19363580]

約数ペア:

[(1, 19363580), (2, 9681790), (4, 4840895), (5, 3872716), (10, 1936358), (20, 968179), (37, 523340), (74, 261670), (137, 141340), (148, 130835), (185, 104668), (191, 101380), (274, 70670), (370, 52334), (382, 50690), (548, 35335), (685, 28268), (740, 26167), (764, 25345), (955, 20276), (1370, 14134), (1910, 10138), (2740, 7067), (3820, 5069)]