19497268

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{547}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 41735680

約数和(自身を除く): 22238412

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 67, 76, 133, 134, 266, 268, 469, 532, 547, 938, 1094, 1273, 1876, 2188, 2546, 3829, 5092, 7658, 8911, 10393, 15316, 17822, 20786, 35644, 36649, 41572, 72751, 73298, 145502, 146596, 256543, 291004, 513086, 696331, 1026172, 1392662, 2785324, 4874317, 9748634, 19497268]

約数ペア:

[(1, 19497268), (2, 9748634), (4, 4874317), (7, 2785324), (14, 1392662), (19, 1026172), (28, 696331), (38, 513086), (67, 291004), (76, 256543), (133, 146596), (134, 145502), (266, 73298), (268, 72751), (469, 41572), (532, 36649), (547, 35644), (938, 20786), (1094, 17822), (1273, 15316), (1876, 10393), (2188, 8911), (2546, 7658), (3829, 5092)]