19472739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2389}}^1$

素因数の和:2435

約数の個数: 32

約数和(自身を含む): 32121600

約数和(自身を除く): 12648861

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2389, 2717, 7167, 8151, 26279, 31057, 45391, 78837, 93171, 136173, 341627, 499301, 590083, 1024881, 1497903, 1770249, 6490913, 19472739]

約数ペア:

[(1, 19472739), (3, 6490913), (11, 1770249), (13, 1497903), (19, 1024881), (33, 590083), (39, 499301), (57, 341627), (143, 136173), (209, 93171), (247, 78837), (429, 45391), (627, 31057), (741, 26279), (2389, 8151), (2717, 7167)]