18309748

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{509}}^1$

素因数の和:576

約数の個数: 36

約数和(自身を含む): 35535780

約数和(自身を除く): 17226032

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 509, 529, 782, 1018, 1058, 1564, 2036, 2116, 8653, 8993, 11707, 17306, 17986, 23414, 34612, 35972, 46828, 199019, 269261, 398038, 538522, 796076, 1077044, 4577437, 9154874, 18309748]

約数ペア:

[(1, 18309748), (2, 9154874), (4, 4577437), (17, 1077044), (23, 796076), (34, 538522), (46, 398038), (68, 269261), (92, 199019), (391, 46828), (509, 35972), (529, 34612), (782, 23414), (1018, 17986), (1058, 17306), (1564, 11707), (2036, 8993), (2116, 8653)]