19633952

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 42106680

約数和(自身を除く): 22472728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 109, 208, 218, 416, 433, 436, 866, 872, 1417, 1732, 1744, 2834, 3464, 3488, 5629, 5668, 6928, 11258, 11336, 13856, 22516, 22672, 45032, 45344, 47197, 90064, 94394, 180128, 188788, 377576, 613561, 755152, 1227122, 1510304, 2454244, 4908488, 9816976, 19633952]

約数ペア:

[(1, 19633952), (2, 9816976), (4, 4908488), (8, 2454244), (13, 1510304), (16, 1227122), (26, 755152), (32, 613561), (52, 377576), (104, 188788), (109, 180128), (208, 94394), (218, 90064), (416, 47197), (433, 45344), (436, 45032), (866, 22672), (872, 22516), (1417, 13856), (1732, 11336), (1744, 11258), (2834, 6928), (3464, 5668), (3488, 5629)]