18789942

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2897}}^1$

素因数の和:2972

約数の個数: 32

約数和(自身を含む): 40061952

約数和(自身を除く): 21272010

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 94, 138, 141, 282, 1081, 2162, 2897, 3243, 5794, 6486, 8691, 17382, 66631, 133262, 136159, 199893, 272318, 399786, 408477, 816954, 3131657, 6263314, 9394971, 18789942]

約数ペア:

[(1, 18789942), (2, 9394971), (3, 6263314), (6, 3131657), (23, 816954), (46, 408477), (47, 399786), (69, 272318), (94, 199893), (138, 136159), (141, 133262), (282, 66631), (1081, 17382), (2162, 8691), (2897, 6486), (3243, 5794)]