19559982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10903}}^1$

素因数の和:10944

約数の個数: 32

約数和(自身を含む): 43964928

約数和(自身を除く): 24404946

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 10903, 21806, 32709, 65418, 141739, 250769, 283478, 425217, 501538, 752307, 850434, 1504614, 3259997, 6519994, 9779991, 19559982]

約数ペア:

[(1, 19559982), (2, 9779991), (3, 6519994), (6, 3259997), (13, 1504614), (23, 850434), (26, 752307), (39, 501538), (46, 425217), (69, 283478), (78, 250769), (138, 141739), (299, 65418), (598, 32709), (897, 21806), (1794, 10903)]