19528278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{983}}^1$

素因数の和:1049

約数の個数: 64

約数和(自身を含む): 49876992

約数和(自身を除く): 30348714

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 43, 66, 77, 86, 129, 154, 231, 258, 301, 462, 473, 602, 903, 946, 983, 1419, 1806, 1966, 2838, 2949, 3311, 5898, 6622, 6881, 9933, 10813, 13762, 19866, 20643, 21626, 32439, 41286, 42269, 64878, 75691, 84538, 126807, 151382, 227073, 253614, 295883, 454146, 464959, 591766, 887649, 929918, 1394877, 1775298, 2789754, 3254713, 6509426, 9764139, 19528278]

約数ペア:

[(1, 19528278), (2, 9764139), (3, 6509426), (6, 3254713), (7, 2789754), (11, 1775298), (14, 1394877), (21, 929918), (22, 887649), (33, 591766), (42, 464959), (43, 454146), (66, 295883), (77, 253614), (86, 227073), (129, 151382), (154, 126807), (231, 84538), (258, 75691), (301, 64878), (462, 42269), (473, 41286), (602, 32439), (903, 21626), (946, 20643), (983, 19866), (1419, 13762), (1806, 10813), (1966, 9933), (2838, 6881), (2949, 6622), (3311, 5898)]