18640466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 32196528

約数和(自身を除く): 13556062

約数列:

[1, 2, 13, 17, 26, 34, 181, 221, 233, 362, 442, 466, 2353, 3029, 3077, 3961, 4706, 6058, 6154, 7922, 40001, 42173, 51493, 80002, 84346, 102986, 548249, 716941, 1096498, 1433882, 9320233, 18640466]

約数ペア:

[(1, 18640466), (2, 9320233), (13, 1433882), (17, 1096498), (26, 716941), (34, 548249), (181, 102986), (221, 84346), (233, 80002), (362, 51493), (442, 42173), (466, 40001), (2353, 7922), (3029, 6154), (3077, 6058), (3961, 4706)]