19438408

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 41081040

約数和(自身を除く): 21642632

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 121, 172, 242, 344, 467, 473, 484, 934, 946, 968, 1868, 1892, 3736, 3784, 5137, 5203, 10274, 10406, 20081, 20548, 20812, 40162, 41096, 41624, 56507, 80324, 113014, 160648, 220891, 226028, 441782, 452056, 883564, 1767128, 2429801, 4859602, 9719204, 19438408]

約数ペア:

[(1, 19438408), (2, 9719204), (4, 4859602), (8, 2429801), (11, 1767128), (22, 883564), (43, 452056), (44, 441782), (86, 226028), (88, 220891), (121, 160648), (172, 113014), (242, 80324), (344, 56507), (467, 41624), (473, 41096), (484, 40162), (934, 20812), (946, 20548), (968, 20081), (1868, 10406), (1892, 10274), (3736, 5203), (3784, 5137)]