18201232

素因数分解:

$2^4\times 7^1\times {\mathrm{163}}^1\times {\mathrm{997}}^1$

素因数の和:1175

約数の個数: 40

約数和(自身を含む): 40590656

約数和(自身を除く): 22389424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163, 326, 652, 997, 1141, 1304, 1994, 2282, 2608, 3988, 4564, 6979, 7976, 9128, 13958, 15952, 18256, 27916, 55832, 111664, 162511, 325022, 650044, 1137577, 1300088, 2275154, 2600176, 4550308, 9100616, 18201232]

約数ペア:

[(1, 18201232), (2, 9100616), (4, 4550308), (7, 2600176), (8, 2275154), (14, 1300088), (16, 1137577), (28, 650044), (56, 325022), (112, 162511), (163, 111664), (326, 55832), (652, 27916), (997, 18256), (1141, 15952), (1304, 13958), (1994, 9128), (2282, 7976), (2608, 6979), (3988, 4564)]