18774064

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28619}}^1$

素因数の和:28668

約数の個数: 20

約数和(自身を含む): 37263240

約数和(自身を除く): 18489176

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28619, 57238, 114476, 228952, 457904, 1173379, 2346758, 4693516, 9387032, 18774064]

約数ペア:

[(1, 18774064), (2, 9387032), (4, 4693516), (8, 2346758), (16, 1173379), (41, 457904), (82, 228952), (164, 114476), (328, 57238), (656, 28619)]