18428272

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67751}}^1$

素因数の和:67776

約数の個数: 20

約数和(自身を含む): 37805616

約数和(自身を除く): 19377344

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 67751, 135502, 271004, 542008, 1084016, 1151767, 2303534, 4607068, 9214136, 18428272]

約数ペア:

[(1, 18428272), (2, 9214136), (4, 4607068), (8, 2303534), (16, 1151767), (17, 1084016), (34, 542008), (68, 271004), (136, 135502), (272, 67751)]