18381316

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 33003936

約数和(自身を除く): 14622620

約数列:

[1, 2, 4, 67, 107, 134, 214, 268, 428, 641, 1282, 2564, 7169, 14338, 28676, 42947, 68587, 85894, 137174, 171788, 274348, 4595329, 9190658, 18381316]

約数ペア:

[(1, 18381316), (2, 9190658), (4, 4595329), (67, 274348), (107, 171788), (134, 137174), (214, 85894), (268, 68587), (428, 42947), (641, 28676), (1282, 14338), (2564, 7169)]