2012197660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{481387}}^1$

素因数の和:481426

約数の個数: 48

約数和(自身を含む): 4852391040

約数和(自身を除く): 2840193380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 481387, 962774, 1925548, 2406935, 4813870, 5295257, 9146353, 9627740, 10590514, 18292706, 21181028, 26476285, 36585412, 45731765, 52952570, 91463530, 100609883, 105905140, 182927060, 201219766, 402439532, 503049415, 1006098830, 2012197660]

約数ペア:

[(1, 2012197660), (2, 1006098830), (4, 503049415), (5, 402439532), (10, 201219766), (11, 182927060), (19, 105905140), (20, 100609883), (22, 91463530), (38, 52952570), (44, 45731765), (55, 36585412), (76, 26476285), (95, 21181028), (110, 18292706), (190, 10590514), (209, 9627740), (220, 9146353), (380, 5295257), (418, 4813870), (836, 2406935), (1045, 1925548), (2090, 962774), (4180, 481387)]