18940516

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{39791}}^1$

素因数の和:39819

約数の個数: 24

約数和(自身を含む): 40110336

約数和(自身を除く): 21169820

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 39791, 79582, 159164, 278537, 557074, 676447, 1114148, 1352894, 2705788, 4735129, 9470258, 18940516]

約数ペア:

[(1, 18940516), (2, 9470258), (4, 4735129), (7, 2705788), (14, 1352894), (17, 1114148), (28, 676447), (34, 557074), (68, 278537), (119, 159164), (238, 79582), (476, 39791)]