19349836

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{39979}}^1$

素因数の和:40005

約数の個数: 18

約数和(自身を含む): 37221380

約数和(自身を除く): 17871544

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 39979, 79958, 159916, 439769, 879538, 1759076, 4837459, 9674918, 19349836]

約数ペア:

[(1, 19349836), (2, 9674918), (4, 4837459), (11, 1759076), (22, 879538), (44, 439769), (121, 159916), (242, 79958), (484, 39979)]