19160912

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:347

約数の個数: 40

約数和(自身を含む): 38247552

約数和(自身を除く): 19086640

約数列:

[1, 2, 4, 8, 16, 71, 101, 142, 167, 202, 284, 334, 404, 568, 668, 808, 1136, 1336, 1616, 2672, 7171, 11857, 14342, 16867, 23714, 28684, 33734, 47428, 57368, 67468, 94856, 114736, 134936, 189712, 269872, 1197557, 2395114, 4790228, 9580456, 19160912]

約数ペア:

[(1, 19160912), (2, 9580456), (4, 4790228), (8, 2395114), (16, 1197557), (71, 269872), (101, 189712), (142, 134936), (167, 114736), (202, 94856), (284, 67468), (334, 57368), (404, 47428), (568, 33734), (668, 28684), (808, 23714), (1136, 16867), (1336, 14342), (1616, 11857), (2672, 7171)]