18459728

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3833}}^1$

素因数の和:3891

約数の個数: 40

約数和(自身を含む): 41836608

約数和(自身を除く): 23376880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 3833, 4816, 7666, 15332, 26831, 30664, 53662, 61328, 107324, 164819, 214648, 329638, 429296, 659276, 1153733, 1318552, 2307466, 2637104, 4614932, 9229864, 18459728]

約数ペア:

[(1, 18459728), (2, 9229864), (4, 4614932), (7, 2637104), (8, 2307466), (14, 1318552), (16, 1153733), (28, 659276), (43, 429296), (56, 329638), (86, 214648), (112, 164819), (172, 107324), (301, 61328), (344, 53662), (602, 30664), (688, 26831), (1204, 15332), (2408, 7666), (3833, 4816)]