18378020157

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1097}}^1\times {\mathrm{27509}}^1$

素因数の和:28645

約数の個数: 32

約数和(自身を含む): 28997740800

約数和(自身を除く): 10619720643

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 1097, 3291, 7679, 23037, 27509, 31813, 82527, 95439, 192563, 222691, 577689, 668073, 797761, 2393283, 5584327, 16752981, 30177373, 90532119, 211241611, 633724833, 875143817, 2625431451, 6126006719, 18378020157]

約数ペア:

[(1, 18378020157), (3, 6126006719), (7, 2625431451), (21, 875143817), (29, 633724833), (87, 211241611), (203, 90532119), (609, 30177373), (1097, 16752981), (3291, 5584327), (7679, 2393283), (23037, 797761), (27509, 668073), (31813, 577689), (82527, 222691), (95439, 192563)]