19798950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{6947}}^1$

素因数の和:6981

約数の個数: 48

約数和(自身を含む): 51693120

約数和(自身を除く): 31894170

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 150, 190, 285, 475, 570, 950, 1425, 2850, 6947, 13894, 20841, 34735, 41682, 69470, 104205, 131993, 173675, 208410, 263986, 347350, 395979, 521025, 659965, 791958, 1042050, 1319930, 1979895, 3299825, 3959790, 6599650, 9899475, 19798950]

約数ペア:

[(1, 19798950), (2, 9899475), (3, 6599650), (5, 3959790), (6, 3299825), (10, 1979895), (15, 1319930), (19, 1042050), (25, 791958), (30, 659965), (38, 521025), (50, 395979), (57, 347350), (75, 263986), (95, 208410), (114, 173675), (150, 131993), (190, 104205), (285, 69470), (475, 41682), (570, 34735), (950, 20841), (1425, 13894), (2850, 6947)]