19423448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{220721}}^1$

素因数の和:220738

約数の個数: 16

約数和(自身を含む): 39729960

約数和(自身を除く): 20306512

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 220721, 441442, 882884, 1765768, 2427931, 4855862, 9711724, 19423448]

約数ペア:

[(1, 19423448), (2, 9711724), (4, 4855862), (8, 2427931), (11, 1765768), (22, 882884), (44, 441442), (88, 220721)]