19817410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2711}}^1$

素因数の和:2778

約数の個数: 32

約数和(自身を含む): 38662272

約数和(自身を除く): 18844862

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 2711, 3655, 5422, 7310, 13555, 27110, 46087, 92174, 116573, 230435, 233146, 460870, 582865, 1165730, 1981741, 3963482, 9908705, 19817410]

約数ペア:

[(1, 19817410), (2, 9908705), (5, 3963482), (10, 1981741), (17, 1165730), (34, 582865), (43, 460870), (85, 233146), (86, 230435), (170, 116573), (215, 92174), (430, 46087), (731, 27110), (1462, 13555), (2711, 7310), (3655, 5422)]