19777476

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 27638844

約数列:

[1, 2, 3, 4, 6, 12, 71, 139, 142, 167, 213, 278, 284, 334, 417, 426, 501, 556, 668, 834, 852, 1002, 1668, 2004, 9869, 11857, 19738, 23213, 23714, 29607, 35571, 39476, 46426, 47428, 59214, 69639, 71142, 92852, 118428, 139278, 142284, 278556, 1648123, 3296246, 4944369, 6592492, 9888738, 19777476]

約数ペア:

[(1, 19777476), (2, 9888738), (3, 6592492), (4, 4944369), (6, 3296246), (12, 1648123), (71, 278556), (139, 142284), (142, 139278), (167, 118428), (213, 92852), (278, 71142), (284, 69639), (334, 59214), (417, 47428), (426, 46426), (501, 39476), (556, 35571), (668, 29607), (834, 23714), (852, 23213), (1002, 19738), (1668, 11857), (2004, 9869)]