18783971367

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{45481}}^1$

素因数の和:45839

約数の個数: 32

約数和(自身を含む): 29131766784

約数和(自身を除く): 10347795417

約数列:

[1, 3, 7, 21, 71, 213, 277, 497, 831, 1491, 1939, 5817, 19667, 45481, 59001, 136443, 137669, 318367, 413007, 955101, 3229151, 9687453, 12598237, 22604057, 37794711, 67812171, 88187659, 264562977, 894474827, 2683424481, 6261323789, 18783971367]

約数ペア:

[(1, 18783971367), (3, 6261323789), (7, 2683424481), (21, 894474827), (71, 264562977), (213, 88187659), (277, 67812171), (497, 37794711), (831, 22604057), (1491, 12598237), (1939, 9687453), (5817, 3229151), (19667, 955101), (45481, 413007), (59001, 318367), (136443, 137669)]