19243928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{218681}}^1$

素因数の和:218698

約数の個数: 16

約数和(自身を含む): 39362760

約数和(自身を除く): 20118832

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 218681, 437362, 874724, 1749448, 2405491, 4810982, 9621964, 19243928]

約数ペア:

[(1, 19243928), (2, 9621964), (4, 4810982), (8, 2405491), (11, 1749448), (22, 874724), (44, 437362), (88, 218681)]