19404070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6761}}^1$

素因数の和:6816

約数の個数: 32

約数和(自身を含む): 40896576

約数和(自身を除く): 21492506

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 6761, 13522, 33805, 47327, 67610, 94654, 236635, 277201, 473270, 554402, 1386005, 1940407, 2772010, 3880814, 9702035, 19404070]

約数ペア:

[(1, 19404070), (2, 9702035), (5, 3880814), (7, 2772010), (10, 1940407), (14, 1386005), (35, 554402), (41, 473270), (70, 277201), (82, 236635), (205, 94654), (287, 67610), (410, 47327), (574, 33805), (1435, 13522), (2870, 6761)]