19171278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2143}}^1$

素因数の和:2229

約数の個数: 48

約数和(自身を含む): 48162816

約数和(自身を除く): 28991538

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2143, 2982, 4286, 4473, 6429, 8946, 12858, 15001, 19287, 30002, 38574, 45003, 90006, 135009, 152153, 270018, 304306, 456459, 912918, 1065071, 1369377, 2130142, 2738754, 3195213, 6390426, 9585639, 19171278]

約数ペア:

[(1, 19171278), (2, 9585639), (3, 6390426), (6, 3195213), (7, 2738754), (9, 2130142), (14, 1369377), (18, 1065071), (21, 912918), (42, 456459), (63, 304306), (71, 270018), (126, 152153), (142, 135009), (213, 90006), (426, 45003), (497, 38574), (639, 30002), (994, 19287), (1278, 15001), (1491, 12858), (2143, 8946), (2982, 6429), (4286, 4473)]