18775276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 38144736

約数和(自身を除く): 19369460

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 67, 68, 134, 221, 268, 317, 442, 634, 871, 884, 1139, 1268, 1742, 2278, 3484, 4121, 4556, 5389, 8242, 10778, 14807, 16484, 21239, 21556, 29614, 42478, 59228, 70057, 84956, 140114, 276107, 280228, 361063, 552214, 722126, 1104428, 1444252, 4693819, 9387638, 18775276]

約数ペア:

[(1, 18775276), (2, 9387638), (4, 4693819), (13, 1444252), (17, 1104428), (26, 722126), (34, 552214), (52, 361063), (67, 280228), (68, 276107), (134, 140114), (221, 84956), (268, 70057), (317, 59228), (442, 42478), (634, 29614), (871, 21556), (884, 21239), (1139, 16484), (1268, 14807), (1742, 10778), (2278, 8242), (3484, 5389), (4121, 4556)]