19817754

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6983}}^1$

素因数の和:7042

約数の個数: 32

約数和(自身を含む): 44250624

約数和(自身を除く): 24432870

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 6983, 13966, 20949, 41898, 76813, 153626, 230439, 300269, 460878, 600538, 900807, 1801614, 3302959, 6605918, 9908877, 19817754]

約数ペア:

[(1, 19817754), (2, 9908877), (3, 6605918), (6, 3302959), (11, 1801614), (22, 900807), (33, 600538), (43, 460878), (66, 300269), (86, 230439), (129, 153626), (258, 76813), (473, 41898), (946, 20949), (1419, 13966), (2838, 6983)]