18852490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2579}}^1$

素因数の和:2646

約数の個数: 32

約数和(自身を含む): 36780480

約数和(自身を除く): 17927990

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 2579, 3655, 5158, 7310, 12895, 25790, 43843, 87686, 110897, 219215, 221794, 438430, 554485, 1108970, 1885249, 3770498, 9426245, 18852490]

約数ペア:

[(1, 18852490), (2, 9426245), (5, 3770498), (10, 1885249), (17, 1108970), (34, 554485), (43, 438430), (85, 221794), (86, 219215), (170, 110897), (215, 87686), (430, 43843), (731, 25790), (1462, 12895), (2579, 7310), (3655, 5158)]