19405316

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{18731}}^1$

素因数の和:18779

約数の個数: 24

約数和(自身を含む): 39861696

約数和(自身を除く): 20456380

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 18731, 37462, 74924, 131117, 262234, 524468, 693047, 1386094, 2772188, 4851329, 9702658, 19405316]

約数ペア:

[(1, 19405316), (2, 9702658), (4, 4851329), (7, 2772188), (14, 1386094), (28, 693047), (37, 524468), (74, 262234), (148, 131117), (259, 74924), (518, 37462), (1036, 18731)]