1861489936

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{21589}}^1$

素因数の和:21931

約数の個数: 40

約数和(自身を含む): 3831015960

約数和(自身を除く): 1969526024

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 317, 634, 1268, 2536, 5072, 5389, 10778, 21556, 21589, 43112, 43178, 86224, 86356, 172712, 345424, 367013, 734026, 1468052, 2936104, 5872208, 6843713, 13687426, 27374852, 54749704, 109499408, 116343121, 232686242, 465372484, 930744968, 1861489936]

約数ペア:

[(1, 1861489936), (2, 930744968), (4, 465372484), (8, 232686242), (16, 116343121), (17, 109499408), (34, 54749704), (68, 27374852), (136, 13687426), (272, 6843713), (317, 5872208), (634, 2936104), (1268, 1468052), (2536, 734026), (5072, 367013), (5389, 345424), (10778, 172712), (21556, 86356), (21589, 86224), (43112, 43178)]