19810366026

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{352711}}^1$

素因数の和:352787

約数の個数: 64

約数和(自身を含む): 46320961536

約数和(自身を除く): 26510595510

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 37, 46, 66, 69, 74, 111, 138, 222, 253, 407, 506, 759, 814, 851, 1221, 1518, 1702, 2442, 2553, 5106, 9361, 18722, 28083, 56166, 352711, 705422, 1058133, 2116266, 3879821, 7759642, 8112353, 11639463, 13050307, 16224706, 23278926, 24337059, 26100614, 39150921, 48674118, 78301842, 89235883, 143553377, 178471766, 267707649, 287106754, 300157061, 430660131, 535415298, 600314122, 861320262, 900471183, 1800942366, 3301727671, 6603455342, 9905183013, 19810366026]

約数ペア:

[(1, 19810366026), (2, 9905183013), (3, 6603455342), (6, 3301727671), (11, 1800942366), (22, 900471183), (23, 861320262), (33, 600314122), (37, 535415298), (46, 430660131), (66, 300157061), (69, 287106754), (74, 267707649), (111, 178471766), (138, 143553377), (222, 89235883), (253, 78301842), (407, 48674118), (506, 39150921), (759, 26100614), (814, 24337059), (851, 23278926), (1221, 16224706), (1518, 13050307), (1702, 11639463), (2442, 8112353), (2553, 7759642), (5106, 3879821), (9361, 2116266), (18722, 1058133), (28083, 705422), (56166, 352711)]