19944518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 14650042

約数列:

[1, 2, 11, 22, 29, 43, 58, 86, 319, 473, 638, 727, 946, 1247, 1454, 2494, 7997, 13717, 15994, 21083, 27434, 31261, 42166, 62522, 231913, 343871, 463826, 687742, 906569, 1813138, 9972259, 19944518]

約数ペア:

[(1, 19944518), (2, 9972259), (11, 1813138), (22, 906569), (29, 687742), (43, 463826), (58, 343871), (86, 231913), (319, 62522), (473, 42166), (638, 31261), (727, 27434), (946, 21083), (1247, 15994), (1454, 13717), (2494, 7997)]