18136688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:665

約数の個数: 40

約数和(自身を含む): 37564560

約数和(自身を除く): 19427872

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 131, 136, 262, 272, 509, 524, 1018, 1048, 2036, 2096, 2227, 4072, 4454, 8144, 8653, 8908, 17306, 17816, 34612, 35632, 66679, 69224, 133358, 138448, 266716, 533432, 1066864, 1133543, 2267086, 4534172, 9068344, 18136688]

約数ペア:

[(1, 18136688), (2, 9068344), (4, 4534172), (8, 2267086), (16, 1133543), (17, 1066864), (34, 533432), (68, 266716), (131, 138448), (136, 133358), (262, 69224), (272, 66679), (509, 35632), (524, 34612), (1018, 17816), (1048, 17306), (2036, 8908), (2096, 8653), (2227, 8144), (4072, 4454)]