19769948

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40847}}^1$

素因数の和:40873

約数の個数: 18

約数和(自身を含む): 38029488

約数和(自身を除く): 18259540

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40847, 81694, 163388, 449317, 898634, 1797268, 4942487, 9884974, 19769948]

約数ペア:

[(1, 19769948), (2, 9884974), (4, 4942487), (11, 1797268), (22, 898634), (44, 449317), (121, 163388), (242, 81694), (484, 40847)]