19084765

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 27098712

約数和(自身を除く): 8013947

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 1277, 2135, 2989, 6385, 8939, 14945, 44695, 62573, 77897, 312865, 389485, 545279, 2726395, 3816953, 19084765]

約数ペア:

[(1, 19084765), (5, 3816953), (7, 2726395), (35, 545279), (49, 389485), (61, 312865), (245, 77897), (305, 62573), (427, 44695), (1277, 14945), (2135, 8939), (2989, 6385)]