19186140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13903}}^1$

素因数の和:13938

約数の個数: 48

約数和(自身を含む): 56060928

約数和(自身を除く): 36874788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13903, 27806, 41709, 55612, 69515, 83418, 139030, 166836, 208545, 278060, 319769, 417090, 639538, 834180, 959307, 1279076, 1598845, 1918614, 3197690, 3837228, 4796535, 6395380, 9593070, 19186140]

約数ペア:

[(1, 19186140), (2, 9593070), (3, 6395380), (4, 4796535), (5, 3837228), (6, 3197690), (10, 1918614), (12, 1598845), (15, 1279076), (20, 959307), (23, 834180), (30, 639538), (46, 417090), (60, 319769), (69, 278060), (92, 208545), (115, 166836), (138, 139030), (230, 83418), (276, 69515), (345, 55612), (460, 41709), (690, 27806), (1380, 13903)]