18642000988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1667}}^1\times {\mathrm{1973}}^1$

素因数の和:3766

約数の個数: 48

約数和(自身を含む): 35494572960

約数和(自身を除く): 16852571972

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 1667, 1973, 2834, 3334, 3946, 5668, 6668, 7892, 21671, 25649, 43342, 51298, 86684, 102596, 181703, 215057, 363406, 430114, 726812, 860228, 2362139, 2795741, 3288991, 4724278, 5591482, 6577982, 9448556, 11182964, 13155964, 42756883, 85513766, 171027532, 358500019, 717000038, 1434000076, 4660500247, 9321000494, 18642000988]

約数ペア:

[(1, 18642000988), (2, 9321000494), (4, 4660500247), (13, 1434000076), (26, 717000038), (52, 358500019), (109, 171027532), (218, 85513766), (436, 42756883), (1417, 13155964), (1667, 11182964), (1973, 9448556), (2834, 6577982), (3334, 5591482), (3946, 4724278), (5668, 3288991), (6668, 2795741), (7892, 2362139), (21671, 860228), (25649, 726812), (43342, 430114), (51298, 363406), (86684, 215057), (102596, 181703)]