18814978

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5441}}^1$

素因数の和:5482

約数の個数: 32

約数和(自身を含む): 36570240

約数和(自身を除く): 17755262

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 5441, 10882, 38087, 70733, 76174, 103379, 141466, 206758, 495131, 723653, 990262, 1343927, 1447306, 2687854, 9407489, 18814978]

約数ペア:

[(1, 18814978), (2, 9407489), (7, 2687854), (13, 1447306), (14, 1343927), (19, 990262), (26, 723653), (38, 495131), (91, 206758), (133, 141466), (182, 103379), (247, 76174), (266, 70733), (494, 38087), (1729, 10882), (3458, 5441)]