19111666

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 35622720

約数和(自身を除く): 16511054

約数列:

[1, 2, 7, 14, 23, 46, 49, 61, 98, 122, 139, 161, 278, 322, 427, 854, 973, 1127, 1403, 1946, 2254, 2806, 2989, 3197, 5978, 6394, 6811, 8479, 9821, 13622, 16958, 19642, 22379, 44758, 59353, 68747, 118706, 137494, 156653, 195017, 313306, 390034, 415471, 830942, 1365119, 2730238, 9555833, 19111666]

約数ペア:

[(1, 19111666), (2, 9555833), (7, 2730238), (14, 1365119), (23, 830942), (46, 415471), (49, 390034), (61, 313306), (98, 195017), (122, 156653), (139, 137494), (161, 118706), (278, 68747), (322, 59353), (427, 44758), (854, 22379), (973, 19642), (1127, 16958), (1403, 13622), (1946, 9821), (2254, 8479), (2806, 6811), (2989, 6394), (3197, 5978)]