18708350

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 37497600

約数和(自身を除く): 18789250

約数列:

[1, 2, 5, 10, 19, 25, 38, 47, 50, 94, 95, 190, 235, 419, 470, 475, 838, 893, 950, 1175, 1786, 2095, 2350, 4190, 4465, 7961, 8930, 10475, 15922, 19693, 20950, 22325, 39386, 39805, 44650, 79610, 98465, 196930, 199025, 374167, 398050, 492325, 748334, 984650, 1870835, 3741670, 9354175, 18708350]

約数ペア:

[(1, 18708350), (2, 9354175), (5, 3741670), (10, 1870835), (19, 984650), (25, 748334), (38, 492325), (47, 398050), (50, 374167), (94, 199025), (95, 196930), (190, 98465), (235, 79610), (419, 44650), (470, 39805), (475, 39386), (838, 22325), (893, 20950), (950, 19693), (1175, 15922), (1786, 10475), (2095, 8930), (2350, 7961), (4190, 4465)]