18943904

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3677}}^1$

素因数の和:3717

約数の個数: 48

約数和(自身を含む): 44489088

約数和(自身を除く): 25545184

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 3677, 5152, 7354, 14708, 25739, 29416, 51478, 58832, 84571, 102956, 117664, 169142, 205912, 338284, 411824, 591997, 676568, 823648, 1183994, 1353136, 2367988, 2706272, 4735976, 9471952, 18943904]

約数ペア:

[(1, 18943904), (2, 9471952), (4, 4735976), (7, 2706272), (8, 2367988), (14, 1353136), (16, 1183994), (23, 823648), (28, 676568), (32, 591997), (46, 411824), (56, 338284), (92, 205912), (112, 169142), (161, 117664), (184, 102956), (224, 84571), (322, 58832), (368, 51478), (644, 29416), (736, 25739), (1288, 14708), (2576, 7354), (3677, 5152)]