1899872728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{1973}}^1$

素因数の和:2236

約数の個数: 64

約数和(自身を含む): 3939788160

約数和(自身を除く): 2039915432

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 197, 376, 394, 611, 788, 1222, 1576, 1973, 2444, 2561, 3946, 4888, 5122, 7892, 9259, 10244, 15784, 18518, 20488, 25649, 37036, 51298, 74072, 92731, 102596, 120367, 185462, 205192, 240734, 370924, 388681, 481468, 741848, 777362, 962936, 1205503, 1554724, 2411006, 3109448, 4822012, 5052853, 9644024, 10105706, 18268007, 20211412, 36536014, 40422824, 73072028, 146144056, 237484091, 474968182, 949936364, 1899872728]

約数ペア:

[(1, 1899872728), (2, 949936364), (4, 474968182), (8, 237484091), (13, 146144056), (26, 73072028), (47, 40422824), (52, 36536014), (94, 20211412), (104, 18268007), (188, 10105706), (197, 9644024), (376, 5052853), (394, 4822012), (611, 3109448), (788, 2411006), (1222, 1554724), (1576, 1205503), (1973, 962936), (2444, 777362), (2561, 741848), (3946, 481468), (4888, 388681), (5122, 370924), (7892, 240734), (9259, 205192), (10244, 185462), (15784, 120367), (18518, 102596), (20488, 92731), (25649, 74072), (37036, 51298)]