19300105

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 28344960

約数和(自身を除く): 9044855

約数列:

[1, 5, 11, 19, 23, 55, 73, 95, 115, 121, 209, 253, 365, 437, 605, 803, 1045, 1265, 1387, 1679, 2185, 2299, 2783, 4015, 4807, 6935, 8395, 8833, 11495, 13915, 15257, 18469, 24035, 31901, 44165, 52877, 76285, 92345, 159505, 167827, 203159, 264385, 350911, 839135, 1015795, 1754555, 3860021, 19300105]

約数ペア:

[(1, 19300105), (5, 3860021), (11, 1754555), (19, 1015795), (23, 839135), (55, 350911), (73, 264385), (95, 203159), (115, 167827), (121, 159505), (209, 92345), (253, 76285), (365, 52877), (437, 44165), (605, 31901), (803, 24035), (1045, 18469), (1265, 15257), (1387, 13915), (1679, 11495), (2185, 8833), (2299, 8395), (2783, 6935), (4015, 4807)]