18518464

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:285

約数の個数: 56

約数和(自身を含む): 39329360

約数和(自身を除く): 20810896

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 97, 152, 157, 194, 304, 314, 388, 608, 628, 776, 1216, 1256, 1552, 1843, 2512, 2983, 3104, 3686, 5024, 5966, 6208, 7372, 10048, 11932, 14744, 15229, 23864, 29488, 30458, 47728, 58976, 60916, 95456, 117952, 121832, 190912, 243664, 289351, 487328, 578702, 974656, 1157404, 2314808, 4629616, 9259232, 18518464]

約数ペア:

[(1, 18518464), (2, 9259232), (4, 4629616), (8, 2314808), (16, 1157404), (19, 974656), (32, 578702), (38, 487328), (64, 289351), (76, 243664), (97, 190912), (152, 121832), (157, 117952), (194, 95456), (304, 60916), (314, 58976), (388, 47728), (608, 30458), (628, 29488), (776, 23864), (1216, 15229), (1256, 14744), (1552, 11932), (1843, 10048), (2512, 7372), (2983, 6208), (3104, 5966), (3686, 5024)]