18715956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2297}}^1$

素因数の和:2408

約数の個数: 48

約数和(自身を含む): 50445696

約数和(自身を除く): 31729740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 97, 194, 291, 388, 582, 679, 1164, 1358, 2037, 2297, 2716, 4074, 4594, 6891, 8148, 9188, 13782, 16079, 27564, 32158, 48237, 64316, 96474, 192948, 222809, 445618, 668427, 891236, 1336854, 1559663, 2673708, 3119326, 4678989, 6238652, 9357978, 18715956]

約数ペア:

[(1, 18715956), (2, 9357978), (3, 6238652), (4, 4678989), (6, 3119326), (7, 2673708), (12, 1559663), (14, 1336854), (21, 891236), (28, 668427), (42, 445618), (84, 222809), (97, 192948), (194, 96474), (291, 64316), (388, 48237), (582, 32158), (679, 27564), (1164, 16079), (1358, 13782), (2037, 9188), (2297, 8148), (2716, 6891), (4074, 4594)]