18926508

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{257}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 49542192

約数和(自身を除く): 30615684

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 257, 323, 361, 514, 646, 722, 771, 969, 1028, 1083, 1292, 1444, 1542, 1938, 2166, 3084, 3876, 4332, 4369, 4883, 6137, 8738, 9766, 12274, 13107, 14649, 17476, 18411, 19532, 24548, 26214, 29298, 36822, 52428, 58596, 73644, 83011, 92777, 166022, 185554, 249033, 278331, 332044, 371108, 498066, 556662, 996132, 1113324, 1577209, 3154418, 4731627, 6308836, 9463254, 18926508]

約数ペア:

[(1, 18926508), (2, 9463254), (3, 6308836), (4, 4731627), (6, 3154418), (12, 1577209), (17, 1113324), (19, 996132), (34, 556662), (38, 498066), (51, 371108), (57, 332044), (68, 278331), (76, 249033), (102, 185554), (114, 166022), (204, 92777), (228, 83011), (257, 73644), (323, 58596), (361, 52428), (514, 36822), (646, 29298), (722, 26214), (771, 24548), (969, 19532), (1028, 18411), (1083, 17476), (1292, 14649), (1444, 13107), (1542, 12274), (1938, 9766), (2166, 8738), (3084, 6137), (3876, 4883), (4332, 4369)]