18388220380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22424659}}^1$

素因数の和:22424709

約数の個数: 24

約数和(自身を含む): 39557100240

約数和(自身を除く): 21168879860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 22424659, 44849318, 89698636, 112123295, 224246590, 448493180, 919411019, 1838822038, 3677644076, 4597055095, 9194110190, 18388220380]

約数ペア:

[(1, 18388220380), (2, 9194110190), (4, 4597055095), (5, 3677644076), (10, 1838822038), (20, 919411019), (41, 448493180), (82, 224246590), (164, 112123295), (205, 89698636), (410, 44849318), (820, 22424659)]