19439128

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 39502080

約数和(自身を除く): 20062952

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 127, 152, 212, 254, 361, 424, 508, 722, 1007, 1016, 1444, 2014, 2413, 2888, 4028, 4826, 6731, 8056, 9652, 13462, 19133, 19304, 26924, 38266, 45847, 53848, 76532, 91694, 127889, 153064, 183388, 255778, 366776, 511556, 1023112, 2429891, 4859782, 9719564, 19439128]

約数ペア:

[(1, 19439128), (2, 9719564), (4, 4859782), (8, 2429891), (19, 1023112), (38, 511556), (53, 366776), (76, 255778), (106, 183388), (127, 153064), (152, 127889), (212, 91694), (254, 76532), (361, 53848), (424, 45847), (508, 38266), (722, 26924), (1007, 19304), (1016, 19133), (1444, 13462), (2014, 9652), (2413, 8056), (2888, 6731), (4028, 4826)]