18744070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2099}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 17543930

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 2099, 4198, 4465, 8930, 10495, 20990, 39881, 79762, 98653, 197306, 199405, 398810, 493265, 986530, 1874407, 3748814, 9372035, 18744070]

約数ペア:

[(1, 18744070), (2, 9372035), (5, 3748814), (10, 1874407), (19, 986530), (38, 493265), (47, 398810), (94, 199405), (95, 197306), (190, 98653), (235, 79762), (470, 39881), (893, 20990), (1786, 10495), (2099, 8930), (4198, 4465)]