19833836

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1022

約数の個数: 36

約数和(自身を含む): 39079656

約数和(自身を除く): 19245820

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 121, 172, 242, 473, 484, 946, 953, 1892, 1906, 3812, 5203, 10406, 10483, 20812, 20966, 40979, 41932, 81958, 115313, 163916, 230626, 450769, 461252, 901538, 1803076, 4958459, 9916918, 19833836]

約数ペア:

[(1, 19833836), (2, 9916918), (4, 4958459), (11, 1803076), (22, 901538), (43, 461252), (44, 450769), (86, 230626), (121, 163916), (172, 115313), (242, 81958), (473, 41932), (484, 40979), (946, 20966), (953, 20812), (1892, 10483), (1906, 10406), (3812, 5203)]