19636001

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 25025280

約数和(自身を除く): 5389279

約数列:

[1, 7, 11, 77, 97, 121, 239, 679, 847, 1067, 1673, 2629, 7469, 11737, 18403, 23183, 28919, 82159, 162281, 202433, 255013, 1785091, 2805143, 19636001]

約数ペア:

[(1, 19636001), (7, 2805143), (11, 1785091), (77, 255013), (97, 202433), (121, 162281), (239, 82159), (679, 28919), (847, 23183), (1067, 18403), (1673, 11737), (2629, 7469)]