18785300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{9887}}^1$

素因数の和:9920

約数の個数: 36

約数和(自身を含む): 42913920

約数和(自身を除く): 24128620

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 9887, 19774, 39548, 49435, 98870, 187853, 197740, 247175, 375706, 494350, 751412, 939265, 988700, 1878530, 3757060, 4696325, 9392650, 18785300]

約数ペア:

[(1, 18785300), (2, 9392650), (4, 4696325), (5, 3757060), (10, 1878530), (19, 988700), (20, 939265), (25, 751412), (38, 494350), (50, 375706), (76, 247175), (95, 197740), (100, 187853), (190, 98870), (380, 49435), (475, 39548), (950, 19774), (1900, 9887)]