17940920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19501}}^1$

素因数の和:19535

約数の個数: 32

約数和(自身を含む): 42124320

約数和(自身を除く): 24183400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19501, 39002, 78004, 97505, 156008, 195010, 390020, 448523, 780040, 897046, 1794092, 2242615, 3588184, 4485230, 8970460, 17940920]

約数ペア:

[(1, 17940920), (2, 8970460), (4, 4485230), (5, 3588184), (8, 2242615), (10, 1794092), (20, 897046), (23, 780040), (40, 448523), (46, 390020), (92, 195010), (115, 156008), (184, 97505), (230, 78004), (460, 39002), (920, 19501)]