18011728

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2203}}^1$

素因数の和:2291

約数の個数: 40

約数和(自身を含む): 40447808

約数和(自身を除く): 22436080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 2203, 4088, 4406, 8176, 8812, 15421, 17624, 30842, 35248, 61684, 123368, 160819, 246736, 321638, 643276, 1125733, 1286552, 2251466, 2573104, 4502932, 9005864, 18011728]

約数ペア:

[(1, 18011728), (2, 9005864), (4, 4502932), (7, 2573104), (8, 2251466), (14, 1286552), (16, 1125733), (28, 643276), (56, 321638), (73, 246736), (112, 160819), (146, 123368), (292, 61684), (511, 35248), (584, 30842), (1022, 17624), (1168, 15421), (2044, 8812), (2203, 8176), (4088, 4406)]